You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to cancel my recent reservation due to heavy rainfall at my destination.

ASSISTANT: May I know your good name please?

USER: My name is Nicholas Wilson.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any reservation against your name.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for choosing us. Have a nice day.