Hello {user.username},\r\n\r\nGreat news! Your order #{order.id} is now being processed. Here are the details:\r\n- Order Date: {order.date_added}\r\n- Estimated Delivery Date: {order.delivery_date}\r\n\r\nYour order will arrive by {order.delivery_date}. Any questions? Contact us at {system.support_number} Thank you for shopping with us.\r\n\r\nBest regards,\r\n{system.company_name}