baby, what's in that satchel?

an old man walks into our shop.

"do you sell mops here? you know the type with the handle that extends and the end that swivels?", he enquires

"no, we sell real estate, not household items", i replied

"oh. well i didn't really think you'd say yes. i was just wondering that's all. anyway you didn't say no, you said 'we don't sell them', didn't you. well ... that's as good as a no i suppose. okay bye then!"

and he leaves.