"You're welcome, good luck with your research." She smiles again, genuinely friendly rather than just politness, because that's how Steph is, and then she goes back to doing her actual job.

She noticed the way he looked at her like he was weighing her up, and it reminds her of how Bruce had looked at her the first few times they'd met. It makes her a little more curious about the man, she'll be keeping an eye out in case he shows up on their cohort's network.