Task: Text to Code
Input (English): SQL: SELECT FirstName , LastName FROM Reservations WHERE Rate > 0
Feedback: Make sure rate is greater than Rooms' base price .
Output (English): SELECT T1.firstname ,  T1.lastname FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room  =  T2.RoomId WHERE T1.Rate - T2.basePrice  >  0