You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation, please help me out.

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

USER: Thank you. I am Mark Phillips.

ASSISTANT: Thanks for your time. I have not found your flight reservation to cancel it.

USER: No issues, thanks for the response.

ASSISTANT: Thank you.