A terminal device is provided and includes a communication interface including circuitry, a display and at least one processor configured to control the communication interface to transmit a user voice including a plurality of intents to an external server, based on word use information included in the user voice and summary information regarding the user voice generated based on user-related information being received from the external server, control the display to display the received summary information, based on a user feedback regarding the summary information being input, transmit information regarding the user feedback to the external server, and based on response information regarding the user voice generated based on the user feedback being received from the external server, control the display to provide the response information.