Complex sentence: In addition, All Nippon Airways also announced new 2015 service in 2014 from Narita International Airport, with flights on the 777-300ER to begin on June 12,2015, becoming the first Japanese carrier to operate passenger operations at IAH.
Split into simpler sentences: In addition, All Nippon Airways also announced new 2015 service in 2014 from Narita International Airport. Flights on the 777-300ER began on June 12,2015, becoming the first Japanese carrier to operate passenger operations at IAH.