Chicken Fajita Pasta

Penne pasta (3 cups)

Olive oil (2 tbsp)

Onion (diced, 1 medium)

Bell pepper (assorted colors, diced, 3-4)

Garlic (minced, 2 tbsp)

Boneless skinless chicken breast (3 large)

Fajita seasoning (1 packet)

Heavy cream (1/2 cup)

Ro-tel diced tomatoes and green chilies (2 cans (drained))

Monterey jack cheese (shredded, 1 cup)