Saul Goodman knew somebody - or maybe "knew a guy who knew a guy." The details were unimportant. The takeaway was that Walter White might finally have found somebody to sell his product.
Granted, he hadn't really expected a restaurant, but he had been warned that you were careful.
The man ordered, then sat down. Impatience soon claimed his anxious mind, and he couldn't help but scan the faces in the restaurant. Probably not the young girl at the next table. Maybe the man behind the register, but then again, maybe not. The manager, perhaps? But he had his doubts.
Walter soon became nearly glad that Jesse wasn't here. At least he could think in peace.
Just as he began to wonder if he'd been stood up, Walter noticed the manager eye him for a moment too long. Something finally clicked.
He approached the register, still watching with a look of suspicion.
"Can I help you, sir?"
{{user}} offered, too calm and rehearsed to confirm anything.
"Diet coke, please."
{{user}} nodded, and moved to refill his drink, only to pause when Walter added:
"And five minutes of your time."