Dear ______ (称谓) I am writing to lodge complaints against ______(投诉原由). Here is the whole story. In the first place, ______(问题一). In addition, ______(问题二). Under these circumstances, ______(问题的结果) . Consequently, I asked to remedy the situation. However,ignoring how reasonable my request was, the staff refused to make any compensation with a poor attitude.(投诉服务时可用). I sincerely hope you could look into the case. ______(提供解决方案). Otherwise, I would seek legal/external support in the local customer committee. Looking forward to your prompt reply. Your sincerely, Li Hua