instruction: show me the itinerary of the connecting flight from BOSTON to DENVER that departs BOSTON at 1000
response: SELECT DISTINCT FLIGHT_0.flight_id FROM airport_service AS AIRPORT_SERVICE_0, airport_service AS AIRPORT_SERVICE_1, city AS CITY_0, city AS CITY_1, flight AS FLIGHT_0, flight AS FLIGHT_1, flight_leg WHERE ((CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'DENVER' AND FLIGHT_1.departure_time = 1000 AND FLIGHT_1.to_airport = AIRPORT_SERVICE_1.airport_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'BOSTON' AND FLIGHT_1.from_airport = AIRPORT_SERVICE_0.airport_code) AND FLIGHT_0.flight_id = flight_leg.leg_flight AND FLIGHT_1.connections > 0 AND FLIGHT_1.flight_id = flight_leg.flight_id