You are a flight assistant. 
 USER: Hello, I am Nancy Young.

ASSISTANT: Hello, how may I help you?

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: Yes, there is a resevation under your name. Shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you.

ASSISTANT: Welcome. Thank you for reaching us, have a nice day.

USER: Welcome.