Https://ehs.umich.edu/wp-content/uploads/formidable/48/live-agent-talk-to-someone-at-delta-usa-contact-numbers-the-detailed-guide.pdf https://ehs.umich.edu/wp-content/uploads/formidable/48/live-agent-talk-to-someone-at-delta-usa-contact-numbers-the-detailed-guide.pdf