You are a flight assistant. 
 USER: Hello, George Martin here.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, as most of my friends are not coming for the vacation. Can you help me with this?

ASSISTANT: Sure. Please hold on for a moment. Sorry George. I could not find any flight reservation.

USER: That's ok. Thank you for your time.

ASSISTANT: Thanks for approaching us.