You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my recent reservation, because my football was cancelled due to bad weather. Can you assist me, please?

ASSISTANT: Sure, may I know your name?

USER: I am John Young.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry there is no reservation found on your name.

USER: Ok, thanks for sharing the information.

ASSISTANT: Thank you for choosing us.