How to Setup Service Page using Prebuilt Option
1. Go to Dashboard > Pages > Add New
2. Enter the Page Name. (Eg: Services)
3. Click " Page builder "
4. Click " Prebuilt Layout or Layouts option "
5. Select Theme Defined options.
6. Here you have default Prebuilt Pages. Choose Service page.
7. Click " Publish "
8. For adding Flex Slider in Service Page, Go to Dashboard-->Flex Slider-->Copy the Flex Slider Shortcode. If suppose you didn't have any sliders Check Here for Creating the Flex Slider
9. Paste the Slider ShortCode in Slider Shortcode Section in the same page.
10. Then, Choose the Template as Page Full Width with Slider under Page Attributes
11. Then, Publish the page.
12. You got it.