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: Sure, I will help you. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I have found your reservation on your name. Shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.