1. A system comprising: a computer-readable memory storing executable instructions; and one or more physical computer processors in communication with the computer-readable memory, wherein the one or more physical computer processors are programmed by the executable instructions to at least: receive audio data from a client device; perform automatic speech recognition to obtain a transcript of the audio data, the transcript including first text for the audio data; select an intent definition from a plurality of intent definitions, the intent definition selected based on a first textual expression included in the intent definition and on the first text; generate second text using the first text and the intent definition, wherein a portion of the second text matches the first text, wherein the second text corresponds to a second textual expression included in the intent definition; and transmit the second text to the client device.