Extremely bad service

We had over first overseas trip, I chose Emirates thinking it is a reputable airline, but I am so disappointed with our experience we flew JHB - DUBAI - BANGKOK going there and returning was not a pleasant experience. I have sent an official complaint when I followed up after a week I was told they have 21 days to respond. From flying in a VERY old aircraft where things don't work properly to not getting food an airhostess who was not up to standard in passenger care. My brand new suitcase broken. Don't think because you pay more you get more that is not the case!