You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: May, I know your good name?

USER: I am Carol Green.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found the reservation on your name, are you sure you want to cancel it?

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled and your ticket fare will be refunded to your bank account.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.