Hello.
Hello, how may I assist you?
I am Thomas Taylor. I want  to change my reservation due to my collage opening was postponed can you help in that?
Sure, I am here to help you. Pleas hold on for a moment, I will check the reservation and get back to you.
Ok.
Sorry to inform you that, there is no reservation found under your name in our database.
That's ok, might be my friends has changed.
Ok. thank you for reaching us. Have a nice day.