You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Michael Green. I just came to know that there is tsunami threat in the place which I planned to visit, so can you please cancel my reservation?

ASSISTANT: Sure Michael, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Thank you for your information.

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