You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

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

USER: Myself Debra King.

ASSISTANT: Ok, Debra please wait for a moment.

USER: Sure.

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

USER: No problem, thanks for checking.

ASSISTANT: Thank you.