When she finally turned round to skulk off to the Y line my wife very helpfully gestured to her left and repeated back the woman's original advice to us....... "yes, I do believe you will find Economy is over there"
I’m very non-confrontational in airports, I’d probably have gone for a deliberately audible s...... and “wow, do you always get these chancers trying it on” to the agent
(try to cut in at platform doors on the tube and I will be bellowing at you like a deranged walrus)