Hello {user.username},\r\n\r\nExciting news! Your order #{order.id}has been shipped. \r\n\r\nEstimated Delivery: {order.delivery_date}\r\n\r\n\r\nFor any questions, contact us at {system.support_number}. We're here to help!\r\n\r\nBest regards,\r\n{system.company_name}