This involves more than I can discuss here, but do it. Read the writers of great prose dialogue-people like Robert Stone and Joan Didion. Compression, saying as little as possible, making everything carry much more than is actually said. Conflict. Dialogue as part of an ongoing world, not just voices in a dark room. Never say the obvious. Skip the meet and greet.
Janet FitchWhen you're a little kid, you are small, your life is small - and you're terrifically aware of that. But when you read, you can ride Arabian horses across the desert, you can be a dogsledder.
Janet FitchShe wanted to wake up like Dorothy and see Michael's face peering over the side of the bed, laughing. WHY, YOU JUST HIT YOUR HEAD. But it was not a dream and there was no Kansas and he was never coming back.
Janet FitchI thought of my mother as Queen Christina, cool and sad, eyes trained on some distant horizon. That was where she belonged, in furs and palaces of rare treasures, fireplaces large enough to roast a reindeer, ships of Swedish maple.
Janet Fitch