An electronic apparatus includes a touch screen display, a microphone disposed at least one speaker, a wireless communication circuit, a processor, and a memory. The memory stores instructions that, when executed, cause the processor to receive a first user utterance input, to transmit first data associated with the first user utterance input to an external server, to receive a first response, to provide the first sample utterances, to receive a first user input for selecting one of the first sample utterances, to transmit second data associated with the first user input to the external server, and to perform the second task by causing the electronic apparatus to have a sequence of states. The first user utterance input includes a request for performing a first task. The first response includes first sample utterances indicating a second task.