(your street city, state, zip) (date) (name street city, state, zip) Dear _____ (name): We are at a loss when we see that you are no longer working with us in a business relationship. Is there something we have done, or for that matter, have not done? Please take a moment's time to write a brief sentence or two on the back of this letter. You can mail it in the envelope post paid that is enclosed. Sincerely, (name) (title)