Do you mean she was a prostitute and she asked you if you wanna pay for her services?

I think people in that industry are pretty desperate sometimes - she might have been in non work clothing and thought she'd take the opportunity for work if there was one -

In Japan it was the casually dressed women who were pros hanging out near train stations and a lot of normal women wore extremely - shall we say provocative - clothing but weren't up for sale.

I was mistaken for a guy a few times walking around in a large jacket and approached by Japanese pimps but they ran away embarrassed as soon as they saw my face - apart from that strangely enough I'm never offered any of these kinds of services