You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: I am Ashley Taylor. I want to cancel my reservation due to postpone of my conference at New York.

ASSISTANT: Sure, we are here to help you to cancel your recent reservation.

USER: Sure.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name and it is successfully cancelled.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.