You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Elizabeth Taylor.

ASSISTANT: Please hold on a moment, I will check your previous reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation available in your name.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day Elizabeth Taylor.