You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you?

USER: Can you please cancel my reservation as the art festival which I want to attend got postponed?

ASSISTANT: Sure, may I know your good name?

USER: I am Donald Thompson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you.