Cook pasta in a large pot of boiling water. Drain.
Heat olive oil in pan over medium heat. Saute chicken pieces until chicken is light-to-golden brown in color.
Add artichoke hearts, olives ,and mushrooms to pan; heat for about 90 seconds. Turn heat to low, add cooked pasta to pan, and heat until warm.
Add warm bechamel sauce to pan, and toss ingredients 3 to 4 times. Serve with freshly grated black pepper and fresh Parmesan cheese to taste. Sprinkle dash of paprika over food for color, if desired.
