The same thing I was - to find the Fallen Angels. She initially failed, so I was to, in the course of binding the Fallen Angels, aid in her resurrection.

We...well, in the end, we helped each other out of our respective binds.

[He's not sure what to say about the fact that he actually met her before her death but didn't know who she was. That's still very weird and involves memories that are still mostly faded from time.]