[Well, they do say you get the Servant best suited to you, if you don't use a catalyst to summon someone specific...]

Now you're speaking my language.

[The offer finally gets a grin from her- still irreverent, but probably an improvement on her previous lazy disinterest. She straightens up a little from her previous casual slouch.]

I'm a lotta things, but one of 'em? Is a professional. [She doesn't specify what kind of profession.] Long as you keep paying the bills, I'll get the job done.

Or die trying, but that's a War for you.

[That... sounds like an accepted contract, in a really mercenary way? Looks like you've successfully summoned yourself a Servant, Nina.]

[Good luck with that.]