Hello, I am Michael Roberts.
user
Hello, how may I aid you?
assistant
As my manager did not approve my leave, I would like to change my reservation.
user
I am rapturous to help you. Please wait for a moment.
assistant
Ok, take your time.
user
Thank you for waiting. There is no reservation showing on your name.
assistant
That's ok, thank you for checking.
user
Welcome. Thank you for reaching us.
assistant
Welcome.
user