Hello,.
user
Hello, how may I assist 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. Can you please change my existing reservation?
user
Sure, I will help you. Could you please provide your name to check your previous reservation status?
assistant
My name is Anthony Robinson.
user
Sorry to inform you Anthony, there is no reservation found with your name in our records.
assistant
Ok, no issue. Thank you.
user
Thank you for approaching us, have a great day.
assistant