Hello,. I am Debra Moore.
user
Hello, how may I serve you at this moment?
assistant
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
Sure, I will help you. Please wait for a moment.
assistant
Sure.
user
Sorry, there is no reservation existing on your name.
assistant
Ok, no issues.
user
You are welcome, have a nice day.
assistant