Shocking Service

Tried to get an e ticket (changed email address) tried 4 times on their client services platform - no response (2- 3 weeks now). Phoned and held on for 50 minutes - no assistance, after initially voice message says 25 minutes waiting period. Whatsup is a bot machine, so ignores request if you don't have right email address - point on enquiry is to change it to get e ticket - very very frustrating