You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Actually my business meeting got postponed, So I need to cancel my reservation.

ASSISTANT: OK, May I know your good name?

USER: I am Nancy Taylor.

ASSISTANT: Please a wait moment.

USER: OK,.

ASSISTANT: Thanks for your time, no reservation found with your name.

USER: Thank you for your information.

ASSISTANT: Thanks for choosing us, have a good day.