You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: My business meeting has been cancelled, so I would like to cancel my recent reservation which is under my name.

ASSISTANT: Ok, may I know on which name the ticket was booked?

USER: Sure, my name is Thomas Carter.

ASSISTANT: Ok Thomas, please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry, I could not find any ticket booked with your name.

USER: That's fine, no problem. Thank you for checking.

ASSISTANT: Thank you for choosing us.