Delta Air Lines Inc. said it’s not using, and doesn’t plan to use, artificial intelligence to offer customers fares based on individual personal data, addressing a public backlash led by several members of Congress.

Delta Airlines has refuted claims it’s using AI to set personalized ticket prices, telling lawmakers they have never and will never use such a system. “There is no fare product Delta has ever used, is testing or plans to use that targets customers with individualized prices based on personal data,

In response to questions from lawmakers, Delta says it’s not using AI to find the maximum price an individual will pay.