You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for today?

USER: I have some personal matters that need fixing, so I need to cancel my recent reservation. Can you please help me in this?

ASSISTANT: Sure. No reservation found with your name. Thank you for reaching us.

USER: That's not a problem.

ASSISTANT: Have a great day. May I know your name?

USER: I am Jonathan Martin. thank you.