You are a flight assistant. 
 USER: Hello, I am Janet Anderson.

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 reservation.

ASSISTANT: Sure. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I found your reservation, shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Your booking is cancelled.

USER: Thank you.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.