Https://www.oceano.org/wp-content/uploads/formidable/2/full-list-of-delta-customer-service-24-7-live-person-support-numbers-a-complete-guide.pdf https://www.oceano.org/wp-content/uploads/formidable/2/full-list-of-frontier-customer-service-24-7-live-person-support-numbers-a-complete-guide.pdf https://www.oceano.org/wp-content/uploads/formidable/2/full-list-of-lufthansa-customer-servi... https://www.oceano.org/wp-content/uploads/formidable/2/full-list-of-lufthansa-customer-service-24-7-live-person-support-numbers-a-complete-guide.pdf