what are the first class and coach fares for flights from chicago to kansas city arriving around 7pm next thursday 
return flights ;return #1 from  chicago to kansas city ;return #2 arriving around 7pm ;return #3 next thursday ;return first classes fares of #4 ;return coach fares of #4 ;return #5 , #6
['select', 'filter', 'filter', 'filter', 'project', 'project', 'union']