Complex sentence: To lessen its exposure, Luxair decided to reintroduce turboprop aircraft, and in June 2006 it signed a firm order with Bombardier for three Dash 8-Q400, plus three options.
Split into simpler sentences: To lessen its exposure, Luxair therefore decided to reintroduce turboprop aircraft. In June 2006, it signed a firm order with Bombardier for three Dash 8-Q400, plus three options.