II 118th CONGRESS 1st Session S. 525 IN THE SENATE OF THE UNITED STATES February 16, 2023 Mr. Markey (for himself, Mr. Schumer , Ms. Klobuchar , and Mr. Blumenthal ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To amend title 49, United States Code, to ensure that a child can sit next to a family member on a flight at no additional cost.