Update app.py

app.py

@@ -170,7 +170,7 @@ async def handle_message(message: cl.Message):
         | Message:  | {booking_info.get('Message', 'N/A')} |
         """
 
-        await cl.Message(content=formatted_response, "output").send()
+        await cl.Message(content=formatted_response).send()
 
     else:  
         response = await llm_chain.acall(user_message, callbacks=[cl.AsyncLangchainCallbackHandler()])