I do not reside in Dallas. No personal recommendations.
I suggest you try a Google search for "Local Stylists & Services." Go down to the 3rd page. You should see a link starting with: Hair Replacement & Hair Loss.....The link will lead you to a worldwide list of stylists. Probably some Dallas/Fort Worth on this list.
Another Google search: "Large list of cut in providers - Stylists List." More results.