You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you today?

USER: I am Charles Baker. Due to Earthquake disaster happened in the place where I wanted to visit, I would like to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is no active reservation on your name to cancel it.

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

ASSISTANT: Thank you for approaching us.