Ben was surprised by his invitation by Wolfram and Hart- primarily because he had no clue who they were, let alone the fact they knew his real name and could only assume what else. He thought it best to play cool for now, and if anywhere were to ask- he would still be Henry Gale. For now, he'd play dumb and find out exactly what this entire ordeal was indeed about.
"Hello." He said with a smile as he entered the room. "Nice to meet you all."