You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves. Can you please help me in cancellation?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your name to cancel your booking?

USER: Sure, my name is Paul Moore.

ASSISTANT: We found your reservation, shall I proceed to cancel your ticket?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thanks for contacting us, have a nice day.