New York City’s frenzy over the Knicks’ first appearance in the National Basketball Association’s conference finals in 25 years is sending ticket prices at Madison Square Garden soaring. The average price for seats for Game 1 of the Eastern Conference Finals versus the Indiana Pacers Wednesday night were listed at just under $1,200, a record for NBA conference championships, according to TickPick. And it will cost nearly $600 just to get in the door.