You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may aid you today?

USER: I would like to cancel my reservation which was made on the name of Nicholas Campbell. Can you help me with it?

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Sure.

ASSISTANT: There was no reservation found on your name.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for choosing us.