You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Johnson.

ASSISTANT: How may I support you now?

USER: My interview was cancelled, so please cancel my recent reservation.

ASSISTANT: Sure. Wait a  while.

USER: Sure.

ASSISTANT: Sorry, there was no reservation on your name.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for opting us.