question: Show flight number, origin, destination of all flights in the alphabetical order of the departure cities.
#1 return flights 
#2 return flight numbers of  #1 
#3 return origins of  #1 
#4 return destinations of  #1 
#5 return departure cities of  #1 
#6 return #2 ,  #3 ,   #4 
#7 return #6 sorted by #5 in alphabetical order