Hi.
user
Hello. How can I help you now?
assistant
As my exam got postponed, can you help me to change my existing reservation?
user
Sure, I can help you with your request. May I know, on which name you have booked your ticket?
assistant
Sure, my name is Donna Roberts.
user
Ok, please wait a minute.
assistant
Ok.
user
Sorry, we did not find any reservation on your name to change.
assistant
That's ok, thank you.
user
Thanks for consulting us, have a nice day.
assistant