Complex sentence: Charter flights of the company "FlyLAL--Lithuanian Airlines" from 2008 are operated by a newly established company "FlyLAL Charters", a branch of the same "FlyLAL Group".
Split into simpler sentences: Charter flights of the company "FlyLAL--Lithuanian Airlines" from 2008 are being operated by a newly established company "FlyLAL Charters". As an airline, "FlyLAL Charters" is a branch of the same "FlyLAL Group".