16.02.2014, 06:45
Show the same dialog id at all times, change the text it displays based on the player page (you can save it in a variable), then increase the page variable each time the player responds to the dialog.
https://sampwiki.blast.hk/wiki/OnDialogResponse
https://sampwiki.blast.hk/wiki/ShowPlayerDialog
https://sampwiki.blast.hk/wiki/OnDialogResponse
https://sampwiki.blast.hk/wiki/ShowPlayerDialog