You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Myself Robert Walker.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it has been cancelled as per your request.

USER: Not an issue.

ASSISTANT: Thank you for opting us, have a good day.

USER: Thank you.