You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

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

USER: Thank you. I am Jeffrey Baker here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name to cancel the ticket.

USER: That's fine, no problem.

ASSISTANT: It's my pleasure and thank you for approaching us.

USER: Thank you for your valuable information.

ASSISTANT: You are welcome.