Hi.
user
Hello, how can I assist you today?
assistant
I am Joshua Jones. I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it  got postpone. Please help me by changing my reservation.
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry to say that, no reservation was found with your good name.
assistant
No issues, thank you.
user
Thank you for opting us.
assistant