You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have done a reservation on last month to visit Seattle to enjoy my weekend with my friends but the money was not sufficient to enjoy, so I would like to cancel my booking, can you please help me?

ASSISTANT: Sure, may I know your good name?

USER: Yes, my name is Sarah Brown.

ASSISTANT: Sorry to inform that there is no reservation found with your name.

USER: That's fine, no issue with that.

ASSISTANT: Thank you for reaching us.