All People speak Differently, my little Orchids. Why, you could no more Mistake my words for those of the Beastmaster than you could Mistake the Kraken for a Tyrannosaur.
Think of a Trio of characters you have Written, and Present for us a sampling of their Dialogue, without Extraneous Words. Do your Characters sufficiently Distinguish themselves? Do you let their Words be the Measure of their Characters?
Adjust your Dialogue as necessary to Accentuate each Character.
