1. A system that converts text to speech, the system comprising: an intent analyzer to analyze by one or more processors original text received by the system to derive an intent representative of intended meaning to be conveyed by non-lexical cues; a non-lexical cue insertion engine to determine by the one or more processors insertion points of non-lexical cues based on the derived intent and to insert a non-lexical cue at the insertion point within the original text to generate augmented text; and a speech synthesizer to synthesize speech from the augmented text.