You already did. You walk to retrieve it, again in no particular hurry.
Earlier you quite calmly and diplomatically explained everything to the old lady, letting her know you could use a little extra firepower to get the situation under control. You were pretty smooth about it, offering to light her cigarette during a calculated pause. And she doesn't even smoke. You're just that good. While you were making your smooth pitch, you did a masterful job of giving her the impression that you didn't care much one way or the other.
But to be fair, you really don't care much one way or the other.