You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What can I do for you?

USER: I have some personal matters that need fixing, so I need to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, May I know your name?

USER: My name is Christine Johnson.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for availing us.