Hello.
user
Hello. How can I help you?
assistant
Due to sudden change in my plan, I would like to change my previous reservation.
user
OK, may I know your name?
assistant
My name is James Adams.
user
Sorry to say that James, there is no reservation found under your name.
assistant
That's fine. Thank you for your help.
user
Thanks for reaching us.Have a nice day.
assistant