You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best render you now?

USER: I want to cancel my recent reservation due to heavy rain fall, will you help me in cancelling?

ASSISTANT: Sure, I can cancel your reservation right now.

USER: Thanks.

ASSISTANT: Before that I need to know your good name to cancel it?

USER: My name is Mary Campbell.

ASSISTANT: Thanks for providing your name.Just wait for a sometime.

USER: Sure.

ASSISTANT: There is a reservation found on your name.Are you sure Shall I proceed for cancellation?

USER: Yes, cancel it.

ASSISTANT: Your ticket has been cancelled. Amount will be credited in your bank account within four working days.

USER: Thank you for your help.