Hello, I am James Turner.
user
Hello, how can I serve you?
assistant
I want to change my existing reservation due to some mismatching of dates with our friends, all are not ok with those dates, can you please help me?
user
Sure. Please wait, let me check.
assistant
Ok sure.
user
Sorry to say, no reservation found under your name.
assistant
That's ok, thank you.
user
Most welcome.
assistant