Everyone said his name like that eventually. Maybe it shouldn't have pleased Jacob as much as it did, especially as nothing good tended to happen after his name was said like that, but he was still very much delighted when he not only hissed his name but tried to comment on his recklessness.
The poor Welshman really had no idea.
"Jacob Milton." He said, once Edward finished his questions, taking the time to take her hand give it a firm but friendly handshake before he let her go. "You will have to forgive my friend, Mr. Locke is a tad concerned about the manner in which we came to be here and frankly where here is. I cannot fault him, but still, manners are important aren't they?" Now he was largely just amusing himself, but there were worse things than making friends with the locals, or possibly leading their captors to believe he was much less of a threat than he was.
She didn't seem like she meant them any harm, but Jacob had been wrong before. A lot.
"In any case, it is delightful to meet you, Miss Mitchell. And may I say, what a charming accent you have. American, isn't it? Do we find ourselves in the United States now?" It might explain the strangeness of the place, and possibly her interesting outfit, but certainly not what the boxes were and how Edward had managed to get here from the past.