Hi.
user
Hello, how can I assist you?
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 here to help you with that, can I know your good name to proceed further?
assistant
I am Eric Thompson.
user
Sorry, we found no reservation on your given name.
assistant
 No issues, thanks for the information.
user
Thank you for reaching us.
assistant