In this week’s air travel news, three U.S. senators are demanding that Delta Air Lines answer some pointed questions about its expanding use of artificial intelligence in setting airfares; Southwest outlines the rules for its new assigned seating system,

A trio of U.S. lawmakers want answers from Delta Air Lines over an announced expansion of artificial intelligence (AI) to set individual passenger fares. Senators argued Delta's new pricing practice is full of privacy concerns.

Ever since Delta mentioned it is using AI to set prices on domestic flights, the backlash against the carrier has grown.