Document everything; the time, date, place, breed of dog and the owner; keep a copy of the report you give AC and get a copy of the AC report; notify your landlord if this is a rental property and the dog belonged to a fellow tenant.
You will need copies as evidence for the demand letter and, if needed, the small claims action to recover your losses.
The foregoing is for general information purposes and does not establish an attorney-client relationship.
Animal law is fairly specialized. If Mr. Langer can't help you, perhaps he can recommend someone in Atlanta. You have potentially a specialized type of personal injury lawsuit.