https://forum.fritzing.org/t/full-list-of-delta-airlines-customer-how-to-talk-directly-at-delta-airlines/30846 https://forum.fritzing.org/t/101-ways-how-to-talk-to-someone-on-delta-airlines-customer-service/30937 https://forum.fritzing.org/t/l-i-v-e-t-a-l-k-s-u-p-p-o-r-t-p-r-o-ve-n-lufthansa-airline-customer-service/30761...