An honest act from an assistant conductor at Long Island Rail Road (LIRR) proved some people still have good old-fashioned values. Jonathan Yellowday, a Queens resident working on the 6:11 p.m. train from Penn Station to Port Washington, discovered a tray of engagement rings, valued at $107,000, in a plastic bag that a customer had left behind. The rings belonged to Ed Eleasian, a jeweler who runs his trade in an office in Midtown Manhattan. Eleasian had mistakenly left behind the package on his way home on the evening of Thursday, April 22. The LIRR conductor was puzzled upon discovering the valuables, and he knew right away he had to turn in the package to the Metropolitan Transport Authority (MTA) police as soon as possible. “I got on the next train going back to Penn, turned it in, and the rest is history,” said Yellowday in a press release. An overly …