Hi. I am Sandra Brown.
user
Hello, how can 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. Please help me in changing my reservation.
user
Sure, we are here to help you. Wait for some time.
assistant
Ok.
user
Thanks for waiting there is no reservations found on your name.
assistant
That's Ok, thanks for your assistance.
user
Thanks for approaching us.
assistant