Hello,. I am Dorothy Thompson.
user
Hello, how may I aid you today?
assistant
I want to change my existing reservation as my joining formalities date got postponed. Can you help me in changing?
user
Sure, I will help you in changing your reservation. Please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation found with your name to change.
assistant
Ok, no issue. Thank you.
user
Thanks for opting us, have a nice day.
assistant