Season chicken breast with taco seasoning.
Place chicken in crockpot.
Stir in diced tomatoes and black beans.
Cook on high for 3 - 4 hours or until chicken is done.
Cut chicken when done and add crockpot mixture to tortilla chips.
Add shredded cheese and melt in microwave if desired.
Add pinco de gallo, olives and sour cream. YUM!!