You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to some financial problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I will help you in flight ticket cancellation.

USER: Thank you.'.

ASSISTANT: May I know your name please?

USER: My name is Joseph Campbell.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.