Creamy Chicken Pasta

Name: Creamy Chicken Pasta
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Italian
Ingredients: 4 thin boneless skinless chicken breasts ((or 2 thick ones, halved horizontally and paper towel dried)); 1/2 cup flour; 1 teaspoon salt; ¼ teaspoon black pepper; 1 teaspoon garlic powder; 2 teaspoons Italian seasoning; 2 tablespoons olive oil; 12 oz spaghetti; 4 tablespoons butter; 1 small yellow onion (or use 1/2 onion) (chopped); 4 garlic cloves (minced); 2 small tomatoes (diced); 1 tablespoon flour; 1 cup heavy cream; 1 cup white wine; ½ cup Parmesan cheese (shredded); 1 teaspoon Italian Seasoning; 1/2 teaspoon salt (more to taste); ¼ teaspoon crushed red pepper flakes