Cook pasta according to package instructions; drain and set aside.
In a skillet, heat olive oil over medium heat. Add diced chicken, season with salt, pepper, and Italian seasoning. Cook until golden brown.
Add butter and minced garlic; sauté for another minute.
Pour in chicken broth and heavy cream, stirring until combined.
Add parmesan cheese and stir until sauce thickens.
Mix in the cooked pasta and toss to coat evenly.
Garnish with chopped parsley and serve warm.