Cook pasta according to directions on package. Set aside
In a large nonstick skillet, add 1 tablespoon olive oil over medium-high heat. Add chicken and season with Cajun seasoning, garlic powder and salt. Sauté for about 5-6 minutes, or until done. Place chicken into a bowl;set aside.
Add remaining tablespoon of olive oil to skillet and reduce heat to medium. Add bell peppers, onions, garlic and sauté 5-6 minutes, or until onions become translucent.
In a small mixing bowl, add heavy cream and corn starch. Mix until it makes it slurry. Set aside.
Reduce heat to medium-low, add chicken broth, heavy cream mixture, cream cheese, parmesan cheese and 1 tablespoon basil, stirring for about 2 minutes, or until cheese is melted and slightly thickens.
Return chicken to skillet, adjust salt and Cajun season to your taste. Cook another minute or two until hot and all mixed together.
Add cooked pasta and toss to coat. Top with red pepper chili flakes, basil and parmesan cheese.