PRNewswire -- GOL Linhas Aereas Inteligentes S.A. (NYSE: GOL; Bovespa: GOLL4), Brazil’s low-cost airline, announces today it has entered a commercial agreement with Air France-KLM. The collaboration, which will be implemented in two phases, will allow for the integration of GOL’s SMILES and Air France-KLM’s Flying Blue mileage programs and lays the groundwork for a future code-share agreement.