You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Richard Lee.

ASSISTANT: How may I guide you?

USER: My business meeting has been cancelled, can you cancel my reservation?

ASSISTANT: Sure, hold on for a moment.

USER: Ok.

ASSISTANT: I'm sorry Richard, there are no reservations with your name.

USER: It's fine. Thank you for your help.

ASSISTANT: Thank you, have a great day ahead.

USER: Welcome.