A conversation device that has conversation with a user of an electric wheelchair traveling in a facility in which a plurality of beacon transmitters are disposed includes: a conversation processing part that has conversation with the user using a prediction model; a conversation registration part that stores the conversation as a history; and a model generation part that generates the prediction model through learning, in which in the history of the conversation, a situation of the conversation at a time point when the conversation is made, details of the conversation, and a user's satisfaction with the conversation are associated, the situation of the conversation includes information with which the beacon transmitter that has received radio waves during the conversation is able to be identified, and the model generation part learns the prediction model again at a predetermined timing by classifying the history of the conversation.