https://intercom.help/guidadiviaggio/en/articles/10850971-come-posso-cancellare-il-check-in-del-mio-biglietto-delta-consigli-utili
https://intercom.help/guidadiviaggio/en/articles/10850971-come-posso-cancellare-il-check-in-del-mio-biglietto-delta-consigli-utili