You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My business meeting is cancelled, so I would like to cancel my reservation.

ASSISTANT: Sure, to cancel your reservation may I know your name?

USER: My name is Raymond White.

ASSISTANT: White, no reservations with your name.

USER: Thank you for your service.

ASSISTANT: You are welcome.