Prepare pan with cooking spray and set aside. Preheat oven to 350°F. Brown chicken breasts in olive oil till completely cooked. Let stand for 5 minutes to cool slightly, and then slice chicken into 2 inch strips. Mix soup and Ro*Tel Sauce together.
Spoon soup mixture on bottom of pan for a thin layer. Add the flour tortilla over top of the soup mixture as a layer. Add chicken, cheese, enchilada sauce (green or red - alternate on layers), salsa and top with another layer of tortilla wraps. Add soup mixture, chicken, cheese, sauce, salsa ... continue till pan is full. Top with cheese.