Billionaire real estate tycoon John Goff is making a play in the historic West End through his investment affiliate, Goff Capital Partners, to acquire six properties in the neighborhood and bring a new creative office option to downtown Dallas. Terms of the acquisition were undisclosed. Goff Capital Partners, along with Boston-based private equity firm Long Wharf Real Estate Partners LLC, closed on three of the six West End properties on Monday, which include 501 Elm St., 211 Record St.