An electronic device and method are disclosed. The electronic device includes a touchscreen, microphone, speaker, wireless communication circuit, processor and memory. The memory stores instructions executable by the processor to: receive a first user utterance through the microphone, transmit, by the wireless communication circuit, the received first user utterance to an external server through the wireless communication circuit, receive, by the wireless communication circuit, first text data generated by the external server using automatic speech recognition (ASR), when the first text data includes at least one pre-stored word, phrase, and sentence, identifying a plurality of tasks mapped to the at least one pre-stored word, phrase, and sentence, and execute the identified plurality of tasks using at least one of sequential execution or parallel execution.