62630
During its first year of operations , the airport was served by American Airlines , Braniff International Airways , Continental Airlines , Delta Air Lines , Eastern Air Lines , Frontier Airlines , Ozark Air Lines , Rio Airways and Texas International Airlines .
 American Airlines, Braniff International Airways, Continental Airlines, Delta Air Lines, Eastern Air Lines, Frontier Airlines, Ozark Air Lines, Rio Airways, Texas International Airlines
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 American Airlines, Braniff International Airways, Continental Airlines, Delta Air Lines, Eastern Air Lines, Frontier Airlines, Ozark Air Lines, Rio Airways, Texas International Airlines