Hi.
Hello, how may I aid you today?
Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation.
Sure, we are here to help you.
Ok.
May I know your name to proceed further?
Timothy Davis is my name.
Ok, please wait a moment.
Ok.
Thank you for your valuable time, sorry no reservation found with your name.
That's ok, thank you.
Thank you for availing us.