FILE - A traveler walks in Terminal 3 as a sign stating face coverings are required is displayed at O'Hare International Airport in Chicago, Friday, July 2, 2021. Two key lawmakers want the government to investigate whether airlines used federal pandemic-relief money to encourage employees to quit. The lawmakers said Friday, Sept. 9, 2022 that taxpayers helped the airline industry during their darkest days at the start of the pandemic, and they deserve to know how the money was spent. (AP Photo/Nam Y. Huh, File)