8. The apparatus of claim 7 , wherein the dialog manager is configured to provide the first correction confirmation by echoing the corrected first information.
7. An apparatus for processing corrections in a voice interaction with an interactive voice response system, the apparatus comprising: a speech recognizer; a prompt player; and a dialog manager configured to: receive from the speech recognizer first information from a first input spoken by a user for a first interaction state; prompt the user via the prompt player for second information for a second interaction state; and in response to receiving a second input spoken by the user that complies with a latent state grammar for the first interaction state, correct the first information in accordance with the second input, and provide a first correction confirmation and a re-prompting of the user for the second information within a single interaction prompt via the prompt player; and in response to receiving a third input that is spoken by the user after the second input and that complies with the latent state grammar for the first interaction state, correct the first information in accordance with the third input, provide a second correction confirmation, and after receiving a user acceptance of the second correction confirmation, re-prompt the user via the prompt player for the second information.