If you would like to hide some of the pages available in user dashboard go to Listeo Core → Pages and unselect page you want to hide by selecting “-Disabled-” from the dropdown then save changes.
If you want to add some custom pages to used Dashboard Menu, you can assign custom menus in Appearance -> Menus to one of several location that exists for Dashboard Menu:
Any page you create for that menu should have Page Template set to “Dashboard Page”