You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

USER: I want to cancel my reservation as my meeting was got cancelled so can you please help me that?

ASSISTANT: Sure, may I know your name?

USER: Myself Samuel Parker.

ASSISTANT: Please wait for a moment, I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for opting us.