Complex sentence: Volareweb.com was a low cost subsidiary of the old Alitalia-LAI, with its head office in Thiene, Italy and its commercial management and charter management in Milan.
Split into simpler sentences: Volareweb.com was a low cost subsidiary of the old Alitalia-LAI. Volare Group had its head office in Thiene, Italy and its commercial management and charter management in Milan.