You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Please help me out in cancelling my recent reservation.

ASSISTANT: Sure, I am here to assist you with your concern. May I know your name please?

USER: Betty Campbell is my name.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Betty Campbell, no reservation has been found on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.