Hello,.
user
Hello. How can I aid you?
assistant
I am Carolyn Miller.
user
Ok.
assistant
I made a earlier reservation to attend a conference, due to some problems my conference it got postponed. Can you please change my reservation?
user
Sure, please wait for a while.
assistant
Sure.
user
Sorry, no reservation done on name of  Carolyn Miller.
assistant
Ok, no issue. Thank you.
user
Thank you for opting us, have a nice day.
assistant