You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation due to heavy rain at my destination point. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: My name is Margaret Thompson.

ASSISTANT: Please, hold on a minute.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.