You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: My name is Daniel Mitchell.

ASSISTANT: Daniel Mitchell, how may I assist you?

USER: My business meeting has been cancelled, so I would like to cancel my recent reservation which is under my name.

ASSISTANT: Yes, sure. But, Daniel Mitchell there is no reservation under your name.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for choosing us. Your most welcome.