What cargo?
Maybe the computer can like at least sense what kind of ship they have or how many people are in it so we know what we're up against.
Out of Character: Pundit I seriously doubt thy have that technology yet. You're like talking transporting molecules through time and space. If they were able to do that we'd be done for already.
In Character: What about the computer patching us through to the other ship? Maybe we can talk with them.