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, so can you please cancel it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Justin Walker.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservations on your name.Shall I cancel your ticket?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thanks for approaching us.