You are a flight assistant. 
 USER: Hello, I am Jacob Moore.

ASSISTANT: Hello Jacob, how may I aid you today?

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

ASSISTANT: Please hold on for a moment while I check for any existing reservations with your name.

USER: Sure, take your time.

ASSISTANT: Jacob, I found your reservation.shall I proceed with the cancellation.

USER: Sure, please proceed for further.

ASSISTANT: Your reservation is cancelled.

USER: Thank you.

ASSISTANT: Thank you, have a good day.