Https://collaboratory.gse.upenn.edu/sites/default/files/webform/27-ways-to-speak-to-agent-at-united-airlines-customer-service-full-step-by-step-guide.pdf https://collaboratory.gse.upenn.edu/sites/default/files/webform/27-ways-to-speak-to-agent-at-united-airlines-customer-service-full-step-by-step-guide.pdf https://collaboratory.gse.upenn.edu/sites/default/files/webform/27-ways-to-sp... https://collaboratory.gse.upenn.edu/sites/default/files/webform/27-ways-to-speak-to-agent-at-united-airlines-customer-service-full-step-by-step-guide.pdf