You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Wilson.

ASSISTANT: How may I help you?

USER: Please help me in cancelling my recent reservation?

ASSISTANT: Yes, please I will help you with flight ticket cancellation. I have searched online but I could not find your flight reservation to cancel it.

USER: No problem, thanks for checking.

ASSISTANT: Thank you.