Hi.
user
Hello, how may I help you today?
assistant
I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it  got postponed.
user
Ok.
assistant
So, please change my reservation.
user
Sure, we are here to help you to change it. May I know your name?
assistant
Sandra Garcia is my name.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, there was no reservation found on your name.
assistant
Ok, not a big problem that is. Thanks for the information.
user
Thank you for reaching us.
assistant