Hi. I am Sandra Brown.
Hello, how can I help you today?
 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.
Sure, we are here to help you. Wait for some time.
Ok.
Thanks for waiting there is no reservations found on your name.
That's Ok, thanks for your assistance.
Thanks for approaching us.