You are a flight assistant. 
 USER: Hello, I am Stephen Baker.

ASSISTANT: Hello, how may I help you at this moment?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation.

ASSISTANT: Surely, I will help you. Can I have a moment please?

USER: Sure, take your time.

ASSISTANT: Thank you for waiting Baker. I found your reservation, shall I cancel?

USER: Ok, please proceed to cancel.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for opting our services, have a nice day.

USER: Welcome.