You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to ABC flight ticket booking agency. How can I help you today?

USER: Can you cancel my recent reservation, because I have cancelled all my plans due to  earthquake.

ASSISTANT: Sure, I will help you.

USER: Myself William Evans, can you please check my reservation on that name?

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: No previous reservation found on your name William Evans. Do you want to know any thing else from us?

USER: Ok, fine no issue. Thank you for your help.

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