[Lily's excitement makes Ada happy; being able to watch the girl who was crying earlier now bouncing in place.]

Really? Then... I may not have a chain, but... if there's ever anything you need, you can come to me.

[She might not be a contractor, but as a friend, she felt she wanted to do whatever she could for her in return. Even if it was just listening to her troubles and being a source of comfort, or keeping her company...]

That's what friends do after all.