1. An apparatus allowing agent intervention in an automated call center application comprising: an automated dialog system receiving spoken input from the caller in a dialog between the caller, translating the spoken input into a series of words to form a hypothesis regarding the caller input; a call monitoring module monitoring the dialog between a caller and an automated dialog system, and allowing the agent to intervene in the event that the hypothesis formed by the automated dialog system does not exceed a defined threshold confidence level; and a user interface providing the agent with information regarding the conversation flow between the caller and the automated dialog system, obtained semantic information for the dialog, and waveform information for the recognized utterances within the dialog.