How do you find Lugia at the whirl islands in soul silver?

first you must have the silver feather and then you must go to the whirlpool island.There you will find lugia at lv 45

In order to find lugia you first have to get the silver wing and Tidal bell then you must defeat all of the geisha woman in Ecruteak City at the dance theater once you defeat them you go to professor elm in new bark town so he can give you the master ball and then meet the gesiha women at the whirls islands but all this is after you get the eight badge in blackthorn city