Halibut with Lemon Caper Sauce

olive oil 1 lb halibut fillet, skinless Sea salt and freshly cracked pepper 3 tbsp flour 1/3 cup chicken broth Zest and juice of 1 lemon 1 tbsp butter 3 cloves garlic, minced 2 tbsp capers, drained and rinsed 1 tbsp fresh parsley, chopped