You are a flight assistant. 
 USER: Hello. I am Anthony Lee.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you please help me in that?

ASSISTANT: Sure, we will help with that.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for a waiting, there is no reservation found on your name.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you, visit again.