 Why does Chip seem to enjoy talking to Retief?
"It is rather unusual," Magnan said, "to assign an officer of your rank to courier duty, but this is an unusual mission." They're called Jorgensen's Worlds, and in themselves are of no importance whatever. However, they lie deep in the sector into which the Soetti have been penetrating. Magnan leaned back, waiting for Retief's reaction. Retief drew carefully on his cigar and looked at Magnan. "This is open aggression, Retief," he said, "in case I haven't made myself clear. Unfortunately, Jorgensen's Worlds are technologically undeveloped areas. "All right, Mr. Councillor," Retief said. Magnan spread his fingers, folded one down. "This is no occasion for flippancy, Retief. "If it's trapped for destruction, I suppose—" "I've heard of these Jorgensen's Worlds," Retief said. Overall policy calls for a defense of these backwater worlds. Otherwise the Corps would allow history to follow its natural course, as always." "Someone at a policy-making level has chosen to put all our eggs in one basket, Retief. Retief opened the envelope Magnan handed him and looked at the tickets inside. The Soetti are patrolling the trade lanes into Jorgensen's Worlds; don't get yourself interned." "I'll tell you what," Retief said soberly. A thin clerk in a faded sequined blouse and a plastic snakeskin cummerbund groomed his fingernails, watching Retief from the corner of his eye. "Filled up. "If I have to come around this counter," Retief said, "I'll feed that thumb to you the hard way." VIP's required accommodation," he said. "But—" Retief picked up his suitcase and walked away toward the glare sign reading To Gates 16-30 . Retief followed the signs, threaded his way through crowds, found a covered ramp with the number 228 posted over it. Retief pulled a paper from an inside pocket, handed it over. Retief put his suitcase carefully on the floor, took a step and drove a right into the guard's midriff. "Which way to cabin fifty-seven, son?" Retief asked. Retief made his way along the narrow hall, found signs, followed them to cabin fifty-seven. A tall, florid man with an expensive coat belted over a massive paunch stood in the open door, looking at Retief. They maneuvered it through the door, lowered it, glanced at Retief and went out.
 He doesn’t like the captain and likes that Retief doesn’t like him either.
 He thinks that Retief will be able to overthrow the captain.  He’s the cook, and generally nice to those he serves.  As he says, he likes to see a “feller” eat and enjoys cooking for him.  He doesn’t like the captain and likes that Retief doesn’t like him either.