19. The method of claim 18 further comprising: generating training data comprising spoken utterances having accepted confirmations and spoken utterances having settled denied confirmations; and training a classification model associated with the classifier with the training data.
19. The method of claim 18 further comprising: generating training data comprising spoken utterances having accepted confirmations and spoken utterances having settled denied confirmations; and training a classification model associated with the classifier with the training data. 20. The method of claim 19 further comprising: identifying a grouping of spoken utterances having unsettled denied confirmations from the log file; calculating pseudo-semantic labels for the spoken utterances in the grouping; and training the classification model with a combination of the training data and the calculated pseudo-semantic labels for the spoken utterances in the grouping.