10. The system of claim 8 , wherein the native speech is associated with the class of the speaker.
8. A system comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: identifying an acoustic model configured in a native speech in a target dialect; and replacing a first phoneme in the acoustic model with a second phoneme, wherein the second phoneme is a sum of plausible phonemes in a lattice of plausible phonemes associated with a class of a speaker.