You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me with cancelling my existing reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know on whose name the ticket has been reserved formerly?

USER: Sure, myself Anna Scott.

ASSISTANT: I found a reservation on your name, shall I proceed to cancel it?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled Anna Scott.

USER: Thank you for helping me with cancellation.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: Welcome.