... [Vastra looks into her camera, clearly caught a little off-guard. Perhaps she had intended to say something when she began the response, but now she's realizing again that she's been offered something because she looked slightly disappointed. Vastra didn't know many humans, but she could probably say this was the strangest one yet.]

...No, I have not. [Right--she did have something more to say.] Please do not go out of your way simply because you have not seen the person I am looking for. It is not something one attempts to make such drastic amends over.