update prompt

app.py

@@ -836,22 +836,39 @@ Final Answer: the final answer to the original input question"""
 When you don't have enough information, you can use tools and you must define **Action** and **Action Input** after **Thought**.
 '''
 FORMAT_INSTRUCTIONS_3 = """
-When you don't have enough information, you can use tools and you must use the following format to define **Action:** and **Action Input:** after **Thought:**:
+When you don't have enough information, you can use tools and you must use the following format to define **Thought:**, **Action:** and **Action Input:**:
 '''
-Thought: you should always think about what to do |
-Action: the action to take, should be one of [{tool_names}] |
-Action Input: the input to the action |
-Observation: the result of the action |
+**Thought:** you should always think about what to do|
+**Action:** the action to take, should be one of [{tool_names}]|
+*Action Input:** the input to the action|
+**Observation:** the result of the action|
 '''
-If **Thought:** or **Action:** or **Action Input:** is missing in the response, please re-write the response.
+If **Thought:**, **Action:**, **Action Input:** is missing in the response, you must re-write the response.
 
 ---
-When you have gathered all the information to provide final answer, you must use the following format to define **Final Answer:** after **Thought:**:
+When you need to provide final answer, you must use the following format to define **Final Answer:** after **Thought:**:
 '''
-Thought: I now know the final answer |
-Final Answer: the final answer to the original input question |
+**Thought:** I now know the final answer|
+**Final Answer:** the final answer to the original input question|
 '''
-If **Thought:** or **Final Answer:** is missing in the response, please re-write the response.
+If **Thought:**, **Final Answer:** is missing in the response, you must re-write the response.
+
+Example 1:
+```
+Question: what is architecture ? 
+---
+Thought: I need to check the definition of architecture in Vector Database|
+Action: Vector Database Search|
+Action Input: architecture|
+```
+
+Example 2:
+```
+Question: Good morning
+---
+Thought: I need to make a greeting to user|
+Final Answer: Hello, how can I do for you ?|
+```
 """
 
 SUFFIX = """
@@ -862,9 +879,13 @@ Thought: {agent_scratchpad}"""
 
 SUFFIX2 = """Begin!
 
-Chat History: {chat_history}
+{chat_history}
+---
 Question: {input}
-Thought: {agent_scratchpad}"""
+---
+Thought: {agent_scratchpad}
+"""
+
 
 
 prompt = ZeroShotAgent.create_prompt(