"Gordon Freeman in the flesh. Or, rather, in the hazard suit. I took the liberty of relieving you of your weapons, most of them were government property. As for the suit...i think you've earned it."
"The borderworld, Xen, is in our control for the time being, thanks to you. Quite a nasty piece of work you managed over there, I am impressed."
"That's why I'm here, Mister Freeman. I have recommended your services to my e-e-employers, and they have authorised me to offer you a job. They agree with me you have limitlessssss potentiall..."
"You've proved yourself a decisive man so I don't expect you'll have any trouble deciding what to do. If you're interested just step into the portal and I'll take that as a yes. Otherwise, well......I can offer you a battle you have no chance of winning. Rather an anticlimax after what you've just survived."