You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you out?

USER: My international meeting got postpone.

ASSISTANT: Ok, could you tell your name?

USER: Can you cancel my reservation? My name is Thomas Campbell.

ASSISTANT: Ok, thanks for providing your name. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately no reservation on your name.

USER: No issue, Thank you for the confirmation.

ASSISTANT: Thanks for availing us, Have a nice day.