You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, due to some bad weather at my destination.

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, I am Amanda Davis.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Amanda Davis, we haven't found any reservation under your name in our database.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.