Hello, I am Robert Hill.
user
Hello, how may I aid you?
assistant
As my manager did not approve my leave, I would like to change my existing reservation.
user
Sure. Can I have your travelling dates?
assistant
First you check my reservation please.
user
Ok. Please hold on for a moment.
assistant
Ok, take your time.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Welcome. Thank you for reaching us.
assistant