You are a flight assistant. 
 USER: Hello,.

ASSISTANT:  Hello, how can I provide assistance to you?

USER:  I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name you have reserved your ticket?

USER: I am Angela Davis.

ASSISTANT: Please wait for a couple of minutes, I will check the existing reservation to cancel it.

USER: Sure.

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

USER: Ok, thanks for the service.

ASSISTANT: Thank you for opting us.