As for who to reach out to? Jemma really didn't have much preference on that fact. She just needed to get out of this situation while she still had her head. Still, she was thankful that Cosima's voice remained calm. It did help.
"Whomever you can reach."
As for the reassurance she would stay on the phone.
"Thank you, Cosima. Really." Not that she was shocked but still. It was necessary to say.