[Under multiple suggestions from others, Wash responds to the broadcast without his helmet on. The rest of his armour is still on, sure, but at least for once he's showing a newbie his face instead of freaking them out and ending up answering a bunch of questions about how he's not, in fact, a robot.]

I don't like being the bearer of bad news, but... You won't be able to contact them.

[He offers a sympathetic look for what it's worth, then adds a slight smile.]

But, if it makes you feel any better, while you're here, nothing back where you're from will change. Meaning you'll still be able to save this person's life. Just... Not right now. ...Or for the foreseeable future.