Please list the flight numbers of all the flights operated by American Airlines Inc. that were scheduled to depart from John F. Kennedy International.
flight numbers refers to OP_CARRIER_FL_NUM; American Airlines Inc. refers to Description = 'American Airlines Inc.: AA'; depart from refers to ORIGIN; John F. Kennedy International refers to Description = 'New York, NY: John F. Kennedy International';
SELECT T2.OP_CARRIER_FL_NUM FROM Airports AS T1 INNER JOIN Airlines AS T2 ON T1.Code = T2.ORIGIN INNER JOIN `Air Carriers` AS T3 ON T2.OP_CARRIER_AIRLINE_ID = T3.Code WHERE T3.Description = 'American Airlines Inc.: AA' AND T1.Description = 'New York, NY: John F. Kennedy International' AND T2.FL_DATE = '2018/8/1'