Dear [Chairman], It is with sincere regret that I feel I must write this letter to you regarding the unprofessional treatment I receiving from ----. This is now my fourth letter to ---- The previous three (copies are enclosed) failed to elicit any response from the bank. Since I know your bank to be one characterized by quality and service, I regret to say that I was unhappy with its service before the correspondence began, but that unhappiness has now been turned to anger by the way that your colleagues have ignored my letters.
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