Hi.
user
Hello, how may I help you?
assistant
I need to change my reservation due to sudden guest visit to my house.
user
May I know your name to check the reservation?
assistant
Sure, my name is Brandon King.
user
Ok, please wait a while I will check and revert to you.
assistant
Sure.
user
Sorry, I found no reservation in your given name.
assistant
Ok, no issue.
user
Thank you for reaching us regarding your existing reservation.
assistant
Thanks for providing the information.
user