Complex sentence: Shaheed Benazirabad (Nawabshah) Airport received its last commercial service in February 2007 operated by airblue, however scheduled flights to the airport started again from 19 August 2008 with PIA.
Split into simpler sentences: Shaheed Benazirabad (Nawabshah) Airport received its last commercial service in February 2007 operated by airblue. However, scheduled flights to the airport started again from 19 August 2008 with PIA.