You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help are you seeking for?

USER: I reserved a ticket previously to meet my friend whom was staying in New York but my friend was not there in New York now, so that I want to cancel my reservation.

ASSISTANT: Ok, we are here to help you in cancelling your ticket. May I know your name please?

USER: Please check the flight with name Angela Davis.

ASSISTANT: Yes Angela, I found a reservation on your name.

USER: Please cancel it.

ASSISTANT: Ok, wait a while.

USER: Sure.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thanks for cancelling that reservation.

ASSISTANT: Thank you for availing our services.