You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Due to unapproved of my leaves of heavy work at office, I would like to cancel my ticket. Will you assist me in this?

ASSISTANT: Sure. May I know your good name please?

USER: I am Sarah Jones.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found reservation on your name.

USER: Ok.

ASSISTANT: Shall I cancel it?

USER: You can go ahead with cancellation.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for opting us.