You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Campbell.

ASSISTANT: How may I assist you at this moment?

USER: I want to cancel flight ticket, can you please help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation status.

USER: Ok.

ASSISTANT: We regret that, there is no reservation on your name in our records.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.