There are companies that have commercial chatbots. Some of them have participated in Turing or Loebner competitions. But a useful bot should be restricted to wo

There are companies that have commercial chatbots. Some of them have participated in Turing or Loebner competitions. But a useful bot should be restricted to work into a small domain. An probably from the point of view of the company that uses one, there should be enough reporting and simple ways to steer its behavior.