How do you get team aqua uot of lilycove in emerald version?

its the same as ruby and sapphie go in the cave stand on these orby things on the floor u get teleported do a different room then stand on a different 1 and keep doing it you will find a admin for the team he will battle you then the boss sets sale to slate port u fly there and meet him again he will then go some where near lilycove i think