Hello.
Hello, how may I aid you today?
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
Sure, I am glad to help you out. Please provide me your name to check the reservation status.
I am Katherine Edwards.
Please allow me a moment  Katherine Edwards.
Sure.
 Katherine Edwards, there is no active reservation on your name to amend it.
Ok, no issues. Thanks for the information.
Thank you for reaching us.