Hello, I am Barbara Jones.
user
Hello, how may I help you?
assistant
As my manager did not approve my leave, I would like to change my reservation.
user
Sure, please wait for a while, I will check.
assistant
Ok, take your time.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant