You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Green.

ASSISTANT: How can I help you Barbara today?

USER: I need some help to cancel my recent booking due to any emergency case that I have to deal in the supreme court, can you please help me?

ASSISTANT: Sure, I will help you Barbara.

USER: Thanks.

ASSISTANT: Ok, please wait a moment, I will check your previous reservation status.

USER: Sure.

ASSISTANT: No previous reservation found on your name Barbara Green.

USER: That's fine, no problem.

ASSISTANT: Do you want to know any thing else from us?

USER: No, thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day Barbara.

USER: Most welcome and thank you.