a complaint letter

In this complaint letter, I express my dissatisfaction with the internet service and the customer service I received from your company. I explain the problems I have faced with frequent interruptions, slow speeds, and rude representatives. I request a compensation for the poor service and an improvement in the quality of your products and staff. I enclose copies of my bills and previous correspondence. I use a formal and firm tone throughout the letter, and I give you a deadline to respond before I take legal action.