12. The method of claim 11 , wherein the providing comprises determining whether the current domain and the previous domain are the same and whether a conversation context is converted from the current conversation frame and a previous conversation frame generated regarding the previous domain, and determines a candidate conversation frame to provide response information regarding the voice utterance on at least one of the current and the previous domains.
12. The method of claim 11 , wherein the providing comprises determining whether the current domain and the previous domain are the same and whether a conversation context is converted from the current conversation frame and a previous conversation frame generated regarding the previous domain, and determines a candidate conversation frame to provide response information regarding the voice utterance on at least one of the current and the previous domains. 13. The method of claim 12 , wherein, when the current domain and the previous domain are the same and when the conversation context is not converted between the two domains, the providing comprises determining a candidate conversation frame regarding the current conversation frame based on the previous conversation frame.