You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with cancelling my reservation.

ASSISTANT: Sure, I will help you with the flight ticket cancellation. May I know your name please?

USER: Thank you. Sure, myself Richard Rodriguez.

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

USER: Oh! It may not be booked properly due to server issue. Anyway, thank you for your time.

ASSISTANT: Thank you.