II 118th CONGRESS 1st Session S. 561 IN THE SENATE OF THE UNITED STATES February 28, 2023 Mr. Markey (for himself, Mr. Blumenthal , Mr. Sanders , Mr. Schatz , Ms. Warren , Mr. Welch , Mr. Whitehouse , and Mr. Wyden ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To provide for cash refunds for canceled airline flights and tickets.