Hello.
user
Hello, how can I help you at present?
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 am glad to help you.
assistant
Thank you.
user
On whose name, you have made the reservation earlier?
assistant
I am Brian Thomas.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to say that, no reservation was found on your name to change.
assistant
OK, no problem. Thanks for the information.
user
Thank you for choosing us.
assistant