Place chicken between 2 sheets of heavy-duty plastic wrap and flatten to ¼-inch thickness. Sprinkle chicken with flour. Coat a large nonstick skillet with cooking spray; place over medium-high heat until hot. Add chicken and cook 4 minutes on each side or until browned. Coat a small saucepan with cooking spray; place over medium-high heat until hot. Add garlic and sauté until tender. Add jelly and soy sauce; reduce heat and cook until jelly melts, stirring constantly. Spoon jelly mixture over chicken; simmer, uncovered, 5 minutes, or until chicken is tender. Sprinkle with olives and serve.