update function prompt.

Author: Oceania2018

src/WebStarter/data/agents/01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a/templates/response_with_function.liquid

@@ -2,8 +2,9 @@
 2. Think step by step, check if specific function will provider data to help complete user request based on the [Conversation].
 3. If you need to call a function to decide how to response user, 
   response in format: {"role": "function", "reason":"why choose this function", "function_name": "", "args": {}}, 
-  otherwise response in format: {"role": "assistant", "reason":"why response to user", "content":""}. 
+  otherwise response in format: {"role": "assistant", "reason":"why response to user", "content":"next step question"}. 
 4. If the [Conversation] already contains the function execution result, don't need to call it again.
-5. If user mentioned some specific requirment, don't ask this again.
+5. If user mentioned some specific requirment, don't ask this question in your response.
+6. Don't repeat the same question in your response.
 
-Make your decision for the next step, output your response in JSON:
+Which function should be used for the next step based on latest user's response, output your response in JSON: