In carrying out this subchapter, the Director shall consult with the Departments of Labor and Health and Human Services, and any other Federal agencies administering relevant programs with a view to achieving optimal coordination with such other programs, and shall promote the coordination of projects under this subchapter with other public or private programs or projects carried out at State and local levels. Such Federal agencies shall cooperate with the Director in disseminating information about the availability of assistance under this subchapter and in promoting the identification and interest of low-income and other older persons whose services may be utilized in projects under this subchapter.