That hadn't been Nina's intention at all. She just meant if he wanted an actual table. The Grisha preferred the company of the Crows and still mourned the death of Matthias.
Except now this guy thought she flirted with him. True, Nina could flirt with anyone or anything. However, the Corpsewitch would prefer to flirt for work or because she found someone interesting.
Nina just smiled, though, and returned a smile, taking a sip of her mocha with extra whip to hide her desire to eye roll. Kaz should give her bonus points for this bit of acting.
"Do you generally just sit on a ceiling?" Of course she'd learn as much as she could without giving away any of her secrets.