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