Get checkout attribute details by Id

Hi,

I am creating a schedule to show all orders for a specific day.
I only want to include delivery date info(Id=3) and special instructions (Id=1) from the set of checkout attributes I have created.

How do I edit this code to make it work? Any ideas or help pls?

//checkout attributes
            if (!String.IsNullOrEmpty(order.CheckoutAttributeDescription))
            {
                sec.AddParagraph();
                Paragraph pCheckoutAttributes = null;
                string attributes = HtmlHelper.ConvertHtmlToPlainText(order.CheckoutAttributeDescription, true);
                pCheckoutAttributes = sec.AddParagraph(attributes);                
                pCheckoutAttributes.Format.LineSpacingRule = LineSpacingRule.Double;
                if (pCheckoutAttributes != null)
                {
                    pCheckoutAttributes.Format.Alignment = ParagraphAlignment.Right;                    
                }                
            }