Hello,.
user
Hello, how can I help you?
assistant
I am Catherine Scott. Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
user
Please wait a while.
assistant
Ok.
user
Sorry to say, there is no reservation on your name in our database.
assistant
No problem, thanks for the information.
user
Thank you for opting us.
assistant