There are more and more utilities for which we can use a chatbot, in general it is used to make lists, mark important events or appointments even to control the home automation of a house. In the hotel sector, it can be used from the web to facilitate navigation or room reservation, to implement a holographic virtual assistant at the reception, which will be available 24 hours a day to perform check in, checkout and other requests late in the morning. evening. As technology advances, so will the uses and activities that can be assigned to chatbots.