https://collaboratory.gse.upenn.edu/sites/default/files/webform/Qatar-Airways-Tm-Customer-Service-Usa-Directly-Contact-Numbers-24-7-live-In-Detail-Guide.pdf https://collaboratory.gse.upenn.edu/sites/default/files/webform/British-Airways-Tm-Customer-Service-Usa-Directly-Contact-Numbers-24-7-live-In-Detail-Guide.pdf https://collaboratory.gse.upenn.edu/sites/default/files/webform/Air-France-Tm-Customer-Service-Usa-Directly-Contact-Numbers-24-7-live-In-Detail-Guide.pdf