Where can you find the TM Attract in Pokemon White?

Question

I've looked everywhere, but no luck O_o

Answer 1

TM45 (Attract) is found in Castelia City in BW and B2W2. Quoting Smogon,

A girl on the 47th floor of the southeastern building on the street connecting to Route 4 will give you the TM for Attract.

Answer 2

Http://bulbapedia.bulbagarden.net/wiki/TM45