You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My business meeting has been postponed.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, may I know your name for ticket cancelling purpose?

USER: Sure, my name is Katherine Scott.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.