An electronic apparatus includes a memory configured to store personal data associated with a user, a communication interface configured to communicate with a server, and a processor configured to obtain, from the personal data associated with the user stored in the memory and based on a user speech being received, personal data corresponding to the user speech, identify, from the personal data corresponding to the user speech, first sub data corresponding to a private attribute and second sub data corresponding to a public attribute, obtain combination information based on the user speech and the second sub data, transmit, through the communication interface, the combination information to the server, and obtain response information corresponding to the combination information from the server.