Hello,. I am Brandon Williams.
user
Hello, how may I be there for you?
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, let me check the reservation list and get back to you.
assistant
Sure.
user
We hardly tried to find your reservation but, no reservation has been found with your name.
assistant
Ok, no issue. Thank you.
user
Thank you for choosing us.
assistant