Dear sir/madam
i am writing to complain about the situation of（不要） lack of toilet paper in the bathroom.i am hoping so eagery(eagerly hope) to solve the problem.
i fully believe this is not your or any other person's responsibility（duty),nevertheless,i still hope that you can solve the problem.
i am very much lookong(looking ) forward to your reply
yours faithfully.
xxx.
括号里标出对前面的修改