Https://frontiers.csls.ox.ac.uk/wp-content/uploads/formidable/1/Complete-List-of-Official-Lufthansa-Airlines-Customer-Service-Contact-Numbers-in-USA.pdf https://frontiers.csls.ox.ac.uk/wp-content/uploads/formidable/1/Complete-List-of-Official-Lufthansa-Airlines-Customer-Service-Contact-Numbers-in-USA.pdf https://frontiers.csls.ox.ac.uk/wp-content/uploads/formidable/1/Complete-List-o... https://frontiers.csls.ox.ac.uk/wp-content/uploads/formidable/1/Complete-List-of-Official-Lufthansa-Airlines-Customer-Service-Contact-Numbers-in-USA.pdf