[And that comes as a surprise - and for a moment, she's too taken aback to think of any kind of response, and put on the spot, defaults to a rather defensive truth.]

I've met you. [With emphasis on the 'I've' and 'you'. Because it certainly isn't the other way around.] A couple of times.

[And still making a valiant effort to skate over that subject as much as possible.] Copper's easy to find. If I can find any other quarians on the station, I should be able to convince them to lend me their tools. Credits.... I'm in the same position you are.