Hello, I am Elizabeth Roberts.
Hello, how may I provide assistance for you?
As per my schedule, I could not finish my work in time. So please help me in changing my existing reservation.
Sure, Please wait a while.
Ok.
I will check the availability of existing reservation with your name to change it.
Sure.
Thank you for waiting, We found no reservation with your name.
That's ok, not a problem. Thank you for the information.
Thank you for choosing us, Have a nice day.