You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Could you please help me to cancel my recent reservation due to cancel of my trip?

ASSISTANT: Sure. May I know your name please?

USER: My name is Christine Williams.

ASSISTANT: Please wait.

USER: Sure.

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

USER: Not a problem, thanks for checking.

ASSISTANT: Thank you.