An electronic device and a method for controlling the electronic device are disclosed. The electronic device includes a memory and a processor electrically connected with the memory. The memory stores instructions to be executed by the processor. The processor is configured to obtain a user voice, determine a response level of the user voice, when the response level of the user voice is a first response level, perform an operation corresponding to the user voice based on a time point of obtaining the user voice, and when the response level of the user voice is a second response level, perform the operation corresponding to the user voice based on a time point of detecting an additional event.