Wtf going on nowadays, from stealing money to demanding money. What you did is right, never give in to those bitch. Next time encounter similar situation just tell them not happy can call police/ AV. Why not post the spa name so bros here can avoid , she pr so what. Anyway, imho ,thats what i always do ,bros here wanted to try out a new spa always have a plan B whereby if first one fail at least a 2nd one sure can make you leave a happy man.