Behan Infobot is Vietnam's first free chatbot service for Koreans residing in Vietnam for the first time. It responds immediately upon request and has the ability to learn, so the more data you accumulate, the more accurately you can grasp your intentions. However, Behan InfoBot does not ask for user information, and there is no need to register or log in, so there is no worry about personal information exposure. We learn based on sentences that only come indiscriminately. Basic functions of