16. The method of claim 10 , further comprising: matching and storing conversation example information related with the previous conversation frame matched for each domain, and counting information relating to a frequency regarding the voice utterance related with the conversation example information.
16. The method of claim 10 , further comprising: matching and storing conversation example information related with the previous conversation frame matched for each domain, and counting information relating to a frequency regarding the voice utterance related with the conversation example information. 17. The method of claim 16 , further comprising: determining ranking of the candidate conversation frame based on the counting information matched with the conversation example information for each of at least one previous conversation frame; and providing response information regarding the candidate conversation frame in an order of higher-ranking candidate conversation frame.