Saute chicken, onion, carrots, bay leaf, parsley, pepper and bacon in butter until chicken is well browned. Add 1 cup water and bring to a simmer. Simmer for 10 minutes. Add flour gradually, stirring out any lumps that form. Simmer 10 minutes. Place this mixture into a pie crust on a pie pan. Top with the other crust and pinch the edges together. Vent and bake in 375 degree oven for 1 hour. Serve.