That’s the Pininfarina designed machine, the Coke Freestyle.
http://www.coca-colafreestyle.com/home/
It was either out of the other Coke versions or the place where it was set up had configured it so it only had original Coke. The ones Coke runs themselves carry Coke, Diet Coke and Coke Zero.
Yes! And it interacts with a smart phone! If only it could tell you “Sorry, lady. No more Cherry Coke at the moment.”