Wow, it's been a long time since we had one of these. Somehow or other, though, the subject got revived, and so now it seems like a good time to start them up again. 
The rules, of course, are the same: Here is one half of a phone conversation; you supply the other half.
Oh, and here's links to the First , Second , and Third HAC challenges.
Have fun, and enjoy! 
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Clark picked up the phone and brought it to his ear. "Clark Kent," he said, amiably.
After a moment, he frowned in confusion. "Who is this?"
His shoulders tensed.
"How did you get this number?" he demanded.
He looked around the room, flustered. "Look," he began, "I really--"
He stilled.
"Uh huh."
The frown deepened. "Well, yeah," he admitted.
He sighed. "That's not real," he protested. "It's completely fiction."
Clark gave the handset a dubious look, then brought it back up to his ear. "So you say," he said.
His eyebrows raised as he listened. "But how?"
He glanced out the window, lowering his glasses as he peered outside. "I...uh...um..." he stammered. He pushed his glasses back up with one finger. "All right," he said, and immediately hung up the phone.
