You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation as my meeting with my lawyer got postponed. So, I request you to please cancel my recent reservation.

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Robert Thomas.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Thanks for your time, we found a reservation on your name and it has been cancelled.

USER: Thanks a lot for fulfilling my request.

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