Hello,.
user
Hello, how may I help you today?
assistant
I am Frank Hall, I want to change my existing reservation as my exam got postponed.
user
Ok, can I get your name please? Ok, wait for while I will get back to you.
assistant
Ok.
user
Thanks for waiting, we have not found any reservation on your given name.
assistant
Ok, no issues. Thank you for the information.
user
Thanks for choosing us.
assistant