Update app.py

app.py

@@ -116,8 +116,8 @@ async def handle_message(message: cl.Message):
 """
  match = re.search(r'\b[A-Z]{6}\d{6}\b', user_message) 
     return match.group(0) if match else None
-
 """
+
     if is_booking_query:
         response = await api_chain.acall(user_message,
                                          callbacks=[cl.AsyncLangchainCallbackHandler()])