You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting.

ASSISTANT: Ok.

USER: So, Can you please cancel my recent reservation?

ASSISTANT: Sure. May I know your name?

USER: Sure, I am Nicholas Walker.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you.