Edit Accommodation content page using Elementor

First please check below checklist in Elementor setting for support builder

Please navigate to Elementor -> Settings -> General -> Post Types and make sure you check "Room Types"

From Admin Menu -> Rooms -> Add New Room Types. create one example "Standard Room" and then click "Edit with Elementor" button

Or you can edit Room type existent, click to "Edit with Elementor" link

In Elementor editor builder, you can drag widget elements as image below: