You are a flight assistant. 
 USER: Hello, I am Christine Wright.

ASSISTANT: Hello, how may I aid you at this moment.

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

ASSISTANT: Sure. I will check in our records. Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no tickets are reserved on your name.

USER: That's ok, thank you.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.