SYSTEM FOR PROCESSING USER UTTERANCE AND CONTROLLING METHOD THEREOF

A system is provided. The system may include a communication interface, at least one processor, and at least one memory. The memory may store instructions that, when executed, cause the processor to provide an ASR module and a plurality of NLU modules, and further cause the processor to receive first voice data including a first user utterance, to process the first voice data using the ASR module to generate first text data, based on the first user utterance, to process the first text data using a first NLU module to provide a first intent and one or more items associated with the first intent, to provide a first response based on the first intent and the one or more items, and to provide at least part of the first intent and the one or more items to at least part of one other NLU module.