Https://riversideca.gov/sites/default/files/webform/musueum/covid/how-to-reach-united-airlines%E2%84%A2-live-support-usa-contact-numbers-guide.pdf https://riversideca.gov/sites/default/files/webform/musueum/covid/how-to-reach-united-airlines%E2%84%A2-live-support-usa-contact-numbers-guide.pdf