You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Actually my Snooker's competition is postponed, so that I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I can help you and can I know your name for checking purpose?

USER: Thank you for accepting my request. I am Matthew Carter.

ASSISTANT: Please allow me a moment.

USER: Sure, take your own time.

ASSISTANT:  Thank you for waiting, I have checked in reservation list to cancel your ticket but could not find any reservation with your name.

USER: That's fine, not an problem. Anyway, thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.