Preheat oven to 400 degrees F and adjust rack to middle position. Place squash on a large baking sheet lined with parchment paper. Toss with ghee and sea salt. Roast for 30 minutes. Remove squash from oven and using a pair of tongs, carefully turn each piece of squash over. Sprinkle garlic and dates over squash. Roast for an additional 12 minutes. Cool for 10 minutes. Sprinkle with pumpkin seeds and goat cheese. Serve.