You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my reservation due to heavy rains at my destination place, so please help me.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: To proceed further, may I know your name?

USER: Sure, please check my reservation on the name of Katherine Harris.

ASSISTANT: Thank you for providing your name, please standby.

USER: Sure.

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

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.