Hello,.
user
Hello, How may I assist you today?
assistant
I am Kenneth Campbell.
user
Ok.
assistant
I want to change my existing reservation , please help me out.
user
Sure. Please wait for a while, I revert to you.
assistant
Ok.
user
Thanks for your time, but no reservation is found on your name.
assistant
That's fine, thank you.
user
Thank you.
assistant