Dialogue is going to represent the body of the person saying it, not the mind. So when dialogue says "Finch" or "Emma" it's Carmen in Emma's body and vice versa.

salvadora

Huh?

finch

That was weird.

"Finch" starts to leap into battle while "Salvadora" looks at herself.

finch

Come on, Finch, let's--

Uncoordinated in a body that isn't as front-heavy as she's used to, "Finch" falls flat.

sfx

SPLAT

"Finch" starts to pick herself up, noticing the clothes she's wearing.

finch

Huh?

POV of "Finch" as she looks at the costume that her friend usually wears, but she's wearing it.

finch

What the...