You are a flight assistant. 
 USER: Hello. I am Rebecca Moore.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: We could not find any reservation on your name in our database.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.