https://www.sweetprocess.com/kb/LVaEu365emcRyZ/article/kNzNikfvW2v/ways-to-connect-american-airlines-customer-service-by-phone-and-email-a-detailed-guide/ https://officialhelp-delta-support.odoo.com/knowledge/article/34 https://officialhelp-delta-support.odoo.com/knowledge/article/35