Hi! My name is dennise i want to travel all over kanto region... But first i need an s. S aqua ticket from elm but i couldn't get it when i finished the game my mon told me that profesor elm wants to give me something... Then when i went to his lab and didnt give me one when i talk to him he just say "the ticket will let you take the fast ship that departs from olivine city. But you knew that already,dennise. After all you've adventured all over with your pokemon. Give my regards to profsor oak in kanto! ". Then thats what he said but i want to finish my whole game how do i get the s. S aqua ticket from elm?

Pls. Help me! ,
dennise