Pretty sure Charlotte already turned her down without her directly asking. I mean "You don't want me, I'm too crazy," isn't a promising sign unless you're a ignorant fool.
I don't know if that's being senile or if it's just the confusing nature of modern healthcare billing. Of course, I spend my days dealing with subcontractors that have no fucking clue what they're doing when they try to bill; half the shit they send in doesn't even match their own proposals.