You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure. May I know your name please?

USER: I am Samuel Miller.

ASSISTANT: Wait for a moment please. I did not find your flight reservation to cancel it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.