[QUOTE=BastardChorum;6752422]Use anything you want: honorifics, formal, or informal. Societal etiquette takes a back seat when power dynamics change. You are now a paying customer in this situation and tacitly take on a higher status regardless if she's a stranger or older than you. The girls themselves will probably stay in formal speech unless you tell them otherwise or feel comfortable enough to switch to informal.[/QUOTE]Ok thanks for the explanation.