Okay that lady isn't in front of the Ferris Wheel.
I know that I have these Locations:
1) Behind the fence on the bottom of Route 5
2) Across the first bridge and near the ledges of Route 6
3) Around the stairs near the Breeder in Route 7
4) Route 9 near the Hidden Hollow
5) Undella Town between 2 rocks
6) Route 13 near the start from Undella Town which is behind the ledge. Somewhere around there. There's rocks and a Fisherman.
I know that there is a few more, but I don't remember where they are located though. I think one was in Driftveil City and another in Mistraltion City. That leaves me with 2 more. I don't get a call around the Pokemon Center in Nimbasa City. Do you remember what other locations that the person called you at?
Since you seen to have figured out what to do with the lost Xtranseiver. Do you remember where the lady was located exactly in Nimbasa City so you can return the item? I think she has called me at least 10 times, because out of the locations listed on the in-game trade page on Serebii I got calls from at least 10 of those places. On Serebii it just says that they will be in Nimbasa City, but do you know where they are exactly?
That's pretty awesome, I wish I could get Netflix but my internet is crap where I live so it can't happen x)
So this is what you offered for trading, your Korean Reshiram/Zekrom and Victini for my Korean Pichu event but you can change some stuff if you want or something lol