Operation of scheduled air services — Invitation to tender published by Italy pursuant to Article 4(1)(d) of Council Regulation (EEC) No 2408/92, for the operation of the following scheduled air services: Pantelleria-Trapani and vice versa, Lampedusa-Trapani and vice versa, Trapani-Rome-Milan and vice versa, Trapani-Bari-Venice and vice versa, Trapani-Catania and vice versa (Text with EEA relevance)