No, for three reasons. The first is that I don't think that any automated system could really "understand" my needs, desires, and acceptable compromises to be able to do that well. Even a human would struggle to do that well. The second is that I would be too nervous about genAI going off the rails and doing something crazy. The third is that I don't want the person I'm negotiating with to feel that they're of so little value to me that I'm willing to pawn them off on a machine.