diff --git a/python/packages/autogen-core/docs/src/user-guide/agentchat-user-guide/selector-group-chat.ipynb b/python/packages/autogen-core/docs/src/user-guide/agentchat-user-guide/selector-group-chat.ipynb
index 911334eb1..ee3caf558 100644
--- a/python/packages/autogen-core/docs/src/user-guide/agentchat-user-guide/selector-group-chat.ipynb
+++ b/python/packages/autogen-core/docs/src/user-guide/agentchat-user-guide/selector-group-chat.ipynb
@@ -52,7 +52,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -90,7 +90,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -125,7 +125,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -228,7 +228,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -250,7 +250,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -338,20 +338,23 @@
       "---------- user ----------\n",
       "Who was the Miami Heat player with the highest points in the 2006-2007 season, and what was the percentage change in his total rebounds between the 2007-2008 and 2008-2009 seasons?\n",
       "---------- PlanningAgent ----------\n",
-      "To answer this question, we'll need to break it down into the following tasks:\n",
+      "To complete this task, we need to perform the following subtasks:\n",
       "\n",
-      "1. WebSearchAgent: Investigate who was the Miami Heat player with the highest points scored in the 2006-2007 NBA season.\n",
-      "2. WebSearchAgent: Gather statistics for the player's total rebounds during the 2007-2008 NBA season.\n",
-      "3. WebSearchAgent: Collect statistics for the same player's total rebounds during the 2008-2009 NBA season.\n",
-      "4. DataAnalystAgent: Calculate the percentage change in total rebounds for the player between the 2007-2008 and 2008-2009 seasons.\n",
+      "1. Find out which Miami Heat player had the highest points in the 2006-2007 season.\n",
+      "2. Gather data on this player's total rebounds for the 2007-2008 season.\n",
+      "3. Gather data on this player's total rebounds for the 2008-2009 season.\n",
+      "4. Calculate the percentage change in the player's total rebounds between the 2007-2008 and 2008-2009 seasons.\n",
       "\n",
-      "Let's begin by gathering the necessary data. \n",
+      "I'll assign these tasks accordingly:\n",
       "\n",
-      "1. WebSearchAgent: Investigate who was the Miami Heat player with the highest points scored in the 2006-2007 NBA season.\n",
+      "1. WebSearchAgent: Search for the Miami Heat player with the highest points in the 2006-2007 NBA season.\n",
+      "2. WebSearchAgent: Find the total rebounds for this player in the 2007-2008 NBA season.\n",
+      "3. WebSearchAgent: Find the total rebounds for this player in the 2008-2009 NBA season.\n",
+      "4. DataAnalystAgent: Calculate the percentage change in total rebounds from the 2007-2008 season to the 2008-2009 season for this player.\n",
       "---------- WebSearchAgent ----------\n",
-      "[FunctionCall(id='call_knPrF0edlVal8opo7AMMU8Z0', arguments='{\"query\":\"Miami Heat highest points scorer 2006-2007 NBA season\"}', name='search_web_tool')]\n",
+      "[FunctionCall(id='call_89tUNHaAM0kKQYPJLleGUKK7', arguments='{\"query\":\"Miami Heat player highest points 2006-2007 season\"}', name='search_web_tool')]\n",
       "---------- WebSearchAgent ----------\n",
-      "[FunctionExecutionResult(content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', call_id='call_knPrF0edlVal8opo7AMMU8Z0')]\n",
+      "[FunctionExecutionResult(content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', name='search_web_tool', call_id='call_89tUNHaAM0kKQYPJLleGUKK7', is_error=False)]\n",
       "---------- WebSearchAgent ----------\n",
       "Here are the total points scored by Miami Heat players in the 2006-2007 season:\n",
       "        Udonis Haslem: 844 points\n",
@@ -360,37 +363,29 @@
       "        ...\n",
       "        \n",
       "---------- WebSearchAgent ----------\n",
-      "[FunctionCall(id='call_KOP1aR8O2kLGIeAkaUa8dE8u', arguments='{\"query\": \"Dwyane Wade total rebounds 2007-2008 season\"}', name='search_web_tool'), FunctionCall(id='call_Hk9j3wvryEhlKpe0YOUgXO46', arguments='{\"query\": \"Dwyane Wade total rebounds 2008-2009 season\"}', name='search_web_tool')]\n",
+      "The Miami Heat player with the highest points in the 2006-2007 season was Dwyane Wade, with 1,397 points.\n",
+      "\n",
+      "Next, I will search for Dwyane Wade's total rebounds for the 2007-2008 season.\n",
       "---------- WebSearchAgent ----------\n",
-      "[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.', call_id='call_KOP1aR8O2kLGIeAkaUa8dE8u'), FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', call_id='call_Hk9j3wvryEhlKpe0YOUgXO46')]\n",
+      "[FunctionCall(id='call_RC55TkSjG3JXRuVOTPrcE1RL', arguments='{\"query\":\"Dwyane Wade total rebounds 2007-2008 season\"}', name='search_web_tool')]\n",
+      "---------- WebSearchAgent ----------\n",
+      "[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.', name='search_web_tool', call_id='call_RC55TkSjG3JXRuVOTPrcE1RL', is_error=False)]\n",
       "---------- WebSearchAgent ----------\n",
       "The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.\n",
-      "The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.\n"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/Users/ekzhu/autogen/python/packages/autogen-agentchat/src/autogen_agentchat/agents/_assistant_agent.py:415: UserWarning: Both tool_calls and content are present in the message. This is unexpected. content will be ignored, tool_calls will be used.\n",
-      "  model_result = await self._model_client.create(\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
+      "---------- WebSearchAgent ----------\n",
+      "[FunctionCall(id='call_pBXoABrErDow0rZjw3tjOZol', arguments='{\"query\":\"Dwyane Wade total rebounds 2008-2009 season\"}', name='search_web_tool')]\n",
+      "---------- WebSearchAgent ----------\n",
+      "[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', name='search_web_tool', call_id='call_pBXoABrErDow0rZjw3tjOZol', is_error=False)]\n",
+      "---------- WebSearchAgent ----------\n",
+      "The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.\n",
       "---------- DataAnalystAgent ----------\n",
-      "[FunctionCall(id='call_By2X8HJjd7K0B3qKSOti1vJ8', arguments='{\"start\":214,\"end\":398}', name='percentage_change_tool')]\n",
+      "[FunctionCall(id='call_qMxxXtcJsiK8KFSSCx3zm0is', arguments='{\"start\":214,\"end\":398}', name='percentage_change_tool')]\n",
       "---------- DataAnalystAgent ----------\n",
-      "[FunctionExecutionResult(content='85.98130841121495', call_id='call_By2X8HJjd7K0B3qKSOti1vJ8')]\n",
+      "[FunctionExecutionResult(content='85.98130841121495', name='percentage_change_tool', call_id='call_qMxxXtcJsiK8KFSSCx3zm0is', is_error=False)]\n",
       "---------- DataAnalystAgent ----------\n",
       "85.98130841121495\n",
       "---------- PlanningAgent ----------\n",
-      "To summarize: \n",
-      "\n",
-      "- The Miami Heat player with the highest points in the 2006-2007 season was Dwyane Wade, with a total of 1,397 points.\n",
-      "- The percentage change in Dwyane Wade's total rebounds from the 2007-2008 season to the 2008-2009 season is approximately 85.98%.\n",
+      "The player with the highest points for the Miami Heat in the 2006-2007 NBA season was Dwyane Wade, who scored 1,397 points. The percentage change in Dwyane Wade's total rebounds from 214 in the 2007-2008 season to 398 in the 2008-2009 season is approximately 85.98%.\n",
       "\n",
       "TERMINATE\n"
      ]
@@ -398,7 +393,7 @@
     {
      "data": {
       "text/plain": [
-       "TaskResult(messages=[TextMessage(source='user', models_usage=None, content='Who was the Miami Heat player with the highest points in the 2006-2007 season, and what was the percentage change in his total rebounds between the 2007-2008 and 2008-2009 seasons?', type='TextMessage'), TextMessage(source='PlanningAgent', models_usage=RequestUsage(prompt_tokens=161, completion_tokens=169), content=\"To answer this question, we'll need to break it down into the following tasks:\\n\\n1. WebSearchAgent: Investigate who was the Miami Heat player with the highest points scored in the 2006-2007 NBA season.\\n2. WebSearchAgent: Gather statistics for the player's total rebounds during the 2007-2008 NBA season.\\n3. WebSearchAgent: Collect statistics for the same player's total rebounds during the 2008-2009 NBA season.\\n4. DataAnalystAgent: Calculate the percentage change in total rebounds for the player between the 2007-2008 and 2008-2009 seasons.\\n\\nLet's begin by gathering the necessary data. \\n\\n1. WebSearchAgent: Investigate who was the Miami Heat player with the highest points scored in the 2006-2007 NBA season.\", type='TextMessage'), ToolCallRequestEvent(source='WebSearchAgent', models_usage=RequestUsage(prompt_tokens=317, completion_tokens=28), content=[FunctionCall(id='call_knPrF0edlVal8opo7AMMU8Z0', arguments='{\"query\":\"Miami Heat highest points scorer 2006-2007 NBA season\"}', name='search_web_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='WebSearchAgent', models_usage=None, content=[FunctionExecutionResult(content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', call_id='call_knPrF0edlVal8opo7AMMU8Z0')], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='WebSearchAgent', models_usage=None, content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', type='ToolCallSummaryMessage'), ToolCallRequestEvent(source='WebSearchAgent', models_usage=RequestUsage(prompt_tokens=410, completion_tokens=142), content=[FunctionCall(id='call_KOP1aR8O2kLGIeAkaUa8dE8u', arguments='{\"query\": \"Dwyane Wade total rebounds 2007-2008 season\"}', name='search_web_tool'), FunctionCall(id='call_Hk9j3wvryEhlKpe0YOUgXO46', arguments='{\"query\": \"Dwyane Wade total rebounds 2008-2009 season\"}', name='search_web_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='WebSearchAgent', models_usage=None, content=[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.', call_id='call_KOP1aR8O2kLGIeAkaUa8dE8u'), FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', call_id='call_Hk9j3wvryEhlKpe0YOUgXO46')], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='WebSearchAgent', models_usage=None, content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.\\nThe number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', type='ToolCallSummaryMessage'), ToolCallRequestEvent(source='DataAnalystAgent', models_usage=RequestUsage(prompt_tokens=437, completion_tokens=21), content=[FunctionCall(id='call_By2X8HJjd7K0B3qKSOti1vJ8', arguments='{\"start\":214,\"end\":398}', name='percentage_change_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='DataAnalystAgent', models_usage=None, content=[FunctionExecutionResult(content='85.98130841121495', call_id='call_By2X8HJjd7K0B3qKSOti1vJ8')], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='DataAnalystAgent', models_usage=None, content='85.98130841121495', type='ToolCallSummaryMessage'), TextMessage(source='PlanningAgent', models_usage=RequestUsage(prompt_tokens=469, completion_tokens=79), content=\"To summarize: \\n\\n- The Miami Heat player with the highest points in the 2006-2007 season was Dwyane Wade, with a total of 1,397 points.\\n- The percentage change in Dwyane Wade's total rebounds from the 2007-2008 season to the 2008-2009 season is approximately 85.98%.\\n\\nTERMINATE\", type='TextMessage')], stop_reason=\"Text 'TERMINATE' mentioned\")"
+       "TaskResult(messages=[TextMessage(source='user', models_usage=None, metadata={}, content='Who was the Miami Heat player with the highest points in the 2006-2007 season, and what was the percentage change in his total rebounds between the 2007-2008 and 2008-2009 seasons?', type='TextMessage'), TextMessage(source='PlanningAgent', models_usage=RequestUsage(prompt_tokens=161, completion_tokens=220), metadata={}, content=\"To complete this task, we need to perform the following subtasks:\\n\\n1. Find out which Miami Heat player had the highest points in the 2006-2007 season.\\n2. Gather data on this player's total rebounds for the 2007-2008 season.\\n3. Gather data on this player's total rebounds for the 2008-2009 season.\\n4. Calculate the percentage change in the player's total rebounds between the 2007-2008 and 2008-2009 seasons.\\n\\nI'll assign these tasks accordingly:\\n\\n1. WebSearchAgent: Search for the Miami Heat player with the highest points in the 2006-2007 NBA season.\\n2. WebSearchAgent: Find the total rebounds for this player in the 2007-2008 NBA season.\\n3. WebSearchAgent: Find the total rebounds for this player in the 2008-2009 NBA season.\\n4. DataAnalystAgent: Calculate the percentage change in total rebounds from the 2007-2008 season to the 2008-2009 season for this player.\", type='TextMessage'), ToolCallRequestEvent(source='WebSearchAgent', models_usage=RequestUsage(prompt_tokens=368, completion_tokens=27), metadata={}, content=[FunctionCall(id='call_89tUNHaAM0kKQYPJLleGUKK7', arguments='{\"query\":\"Miami Heat player highest points 2006-2007 season\"}', name='search_web_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='WebSearchAgent', models_usage=None, metadata={}, content=[FunctionExecutionResult(content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', name='search_web_tool', call_id='call_89tUNHaAM0kKQYPJLleGUKK7', is_error=False)], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='WebSearchAgent', models_usage=None, metadata={}, content='Here are the total points scored by Miami Heat players in the 2006-2007 season:\\n        Udonis Haslem: 844 points\\n        Dwayne Wade: 1397 points\\n        James Posey: 550 points\\n        ...\\n        ', type='ToolCallSummaryMessage'), ThoughtEvent(source='WebSearchAgent', models_usage=None, metadata={}, content=\"The Miami Heat player with the highest points in the 2006-2007 season was Dwyane Wade, with 1,397 points.\\n\\nNext, I will search for Dwyane Wade's total rebounds for the 2007-2008 season.\", type='ThoughtEvent'), ToolCallRequestEvent(source='WebSearchAgent', models_usage=RequestUsage(prompt_tokens=460, completion_tokens=83), metadata={}, content=[FunctionCall(id='call_RC55TkSjG3JXRuVOTPrcE1RL', arguments='{\"query\":\"Dwyane Wade total rebounds 2007-2008 season\"}', name='search_web_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='WebSearchAgent', models_usage=None, metadata={}, content=[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.', name='search_web_tool', call_id='call_RC55TkSjG3JXRuVOTPrcE1RL', is_error=False)], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='WebSearchAgent', models_usage=None, metadata={}, content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2007-2008 is 214.', type='ToolCallSummaryMessage'), ToolCallRequestEvent(source='WebSearchAgent', models_usage=RequestUsage(prompt_tokens=585, completion_tokens=28), metadata={}, content=[FunctionCall(id='call_pBXoABrErDow0rZjw3tjOZol', arguments='{\"query\":\"Dwyane Wade total rebounds 2008-2009 season\"}', name='search_web_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='WebSearchAgent', models_usage=None, metadata={}, content=[FunctionExecutionResult(content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', name='search_web_tool', call_id='call_pBXoABrErDow0rZjw3tjOZol', is_error=False)], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='WebSearchAgent', models_usage=None, metadata={}, content='The number of total rebounds for Dwayne Wade in the Miami Heat season 2008-2009 is 398.', type='ToolCallSummaryMessage'), ToolCallRequestEvent(source='DataAnalystAgent', models_usage=RequestUsage(prompt_tokens=496, completion_tokens=21), metadata={}, content=[FunctionCall(id='call_qMxxXtcJsiK8KFSSCx3zm0is', arguments='{\"start\":214,\"end\":398}', name='percentage_change_tool')], type='ToolCallRequestEvent'), ToolCallExecutionEvent(source='DataAnalystAgent', models_usage=None, metadata={}, content=[FunctionExecutionResult(content='85.98130841121495', name='percentage_change_tool', call_id='call_qMxxXtcJsiK8KFSSCx3zm0is', is_error=False)], type='ToolCallExecutionEvent'), ToolCallSummaryMessage(source='DataAnalystAgent', models_usage=None, metadata={}, content='85.98130841121495', type='ToolCallSummaryMessage'), TextMessage(source='PlanningAgent', models_usage=RequestUsage(prompt_tokens=528, completion_tokens=80), metadata={}, content=\"The player with the highest points for the Miami Heat in the 2006-2007 NBA season was Dwyane Wade, who scored 1,397 points. The percentage change in Dwyane Wade's total rebounds from 214 in the 2007-2008 season to 398 in the 2008-2009 season is approximately 85.98%.\\n\\nTERMINATE\", type='TextMessage')], stop_reason=\"Text 'TERMINATE' mentioned\")"
       ]
      },
      "execution_count": 8,
@@ -867,7 +862,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.7"
+   "version": "3.12.3"
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  "nbformat": 4,