You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: Nicholas Carter here. I would like to cancel my reservation, can you please help me out with that?

ASSISTANT: Sure, I will help you. Please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation available on your name to cancel.

USER: That's ok, no problem.

ASSISTANT: Thanks for availing us.

USER: Thank you for checking out.