Hi.
user
Hello. How can I serve you?
assistant
I would like to change my existing reservation which was made on the name of Carol Nelson. Can you help me with it?
user
Sure. Please, wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no reservation found on your name.
assistant
That's ok, thank you for the response.
user
Thank you for opting us.
assistant