USER TERMINAL, DIALOGUE MANAGEMENT SYSTEM, CONTROL METHOD OF USER TERMINAL, AND DIALOGUE MANAGEMENT METHOD

A user terminal, a control method thereof, a dialogue management system and a dialogue management method may output an ambient sound related to a user intention in real time together with a system response to a user's voice command, thereby providing a user with a sense of presence and enabling a natural dialogue with the user. The user terminal includes at least one microphone; a speaker; a communication module configured to communicate with a server; and a controller configured to control the speaker to output a system response corresponding to a voice command of a user, when the user's voice command is input through the at least one microphone, wherein the controller is configured to control the speaker to output an ambient sound matching the voice command together with the system response.