Quick check of my Logbook, and there was definitely a Stewardess looking after us in March 1979 on B707 GATWV DXB-LHR. In later life, I really came to love flying on freighters, but self-service by then of course. On the 707 freighter, we were able to order our food the day before, so we did eat well. In later life the freighter food was crap, so a quick stop at M & S or whatever on the way to the airport was essential. Happy days.