Combine 1 teaspoon of the cinnamon with the cumin, turmeric, chili powder, and salt in a resealable plastic bag. Add chicken and toss well to coat.
Heat olive oil in a large nonstick pan. Saute the chicken over medium heat until no longer pink in the center, about 5 minutes per side. Remove chicken from skillet.
Saute apples and dates in the skillet for 1 minute. Sprinkle with remaining teaspoon cinnamon; cook and stir to coat. Spoon apples and dates onto chicken. Serve warm.