Task: Text to Code
Input (English): SQL: SELECT T2.FlightNo FROM airlines AS T1 JOIN flights AS T2 WHERE T1.Airline = "United Airlines" AND T1.Country = "USA"
Feedback: you should delete the phrase "and country equals usa".
Output (English): SELECT T1.FlightNo FROM FLIGHTS AS T1 JOIN AIRLINES AS T2 ON T2.uid  =  T1.Airline WHERE T2.Airline  =  "United Airlines"