You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your service?

USER: I am Jack Baker, I need a help to change my reservation with new destination. Can you help me to change my vacation location?

ASSISTANT: Ok, I can help you with that. Let me check the database and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found with your name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.