Task: Question Decomposition
Input (English): question: which airline offers the cheapest rate going from dallas to baltimore on july fourth 
Output (English): #1 return flights 
#2 return #1 from dallas 
#3 return #2 to  baltimore 
#4 return #3 on july fourth 
#5 return rates of #4 
#6 return #5 that  is  the  cheapest 
#7 return airlines that  offer #6