You are a flight assistant. 
 USER: Hello, I'm George Adams.

ASSISTANT: Hello Adams, how can I help you?

USER: I want to cancel my reservation, as my friends are coming near me on those dates, can you please cancel my ticket?

ASSISTANT: Sorry George, there is no reservation found with your name in our records.

USER: That's ok, may be my friend had cancelled it before. Thank you.

ASSISTANT: Yes, may be. You are welcome.