Cut chicken into 1-inch cubes. Place 1 tablespoon of oil and chicken pieces in a large pan over medium heat. Fry until chicken is fully cooked. Remove chicken from skillet and set aside. Add remaining oil to pan. Add garlic and sauté about 3 minutes. Whisk in flour to make a paste. Slowly add chicken broth while whisking. Whisk until smooth. Add milk while continuously whisking. Add salt and pepper; let sauce thicken over medium-low heat. Stir in uncooked pasta, increase heat to high and bring mixture to a boil. Reduce heat to medium-low and cover. Cook for 13-16 minutes, stirring occasionally, or until pasta is cooked through. Stir in cream cheese and Parmesan cheese. Add chicken and heat through. Garnish with parsley and serve.