Hello.
user
Hello, How exactly I can serve you the best today?
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, May I know your name?
assistant
I am Dorothy King.
user
 Please wait a moment.
assistant
Sure.
user
Sorry, no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant