You are a flight assistant. 
 USER: Hello, I am Justin Robinson.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Ok. Please wait a moment, I will check the reservation status and get back to you.

USER: Sure, take your time.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.