Someone

if(strcmp(cmdtext, "/liberty", true) == 0)
{
	SetTimer("Liberty",7000,1);
	return 1;
}

if(strcmp(cmdtext, "/las venturas", true) == 0)
{
	SetTimer("lv",5000,1);
	return 1;
}

if(strcmp(cmdtext, "/san fierro", true) == 0)
{
	SetTimer("sf",5000,1);
	return 1;
}

if(strcmp(cmdtext, "/los santos", true) == 0)
{
	SetTimer("lossantos",6000,1);
	return 1;
}

if(strcmp(cmdtext, "/airport", true) == 0)
{
SendClientMessage(playerid,COLOR_GREY,"Du kannst gleich in den Flieger einsteigen.");
SetPlayerInterior(playerid, 14);
SetPlayerPos(playerid ,-1827.147338,7.207418,1061.143554);
SetTimer("Checkin",8000,1);

return 1;
}


//At the End of the Script

public Checkin(playerid)
{
	SendClientMessage(playerid,COLOR_YELLOW,"Suche jetzt aus wo du hin willst, /san fierro /las venturas /los santos oder /liberty");
    SetPlayerInterior(playerid, 1);
	SetPlayerPos(playerid, 2.384830,33.103397,1199.849976);
    }
public lossantos(playerid)
{
   	SetPlayerInterior(playerid, 0);
	SetPlayerPos(playerid, 1925.1957,-2426.8733,13.5391);
	KillTimer(lossantos(playerid));
	}
public sf(playerid)
{
    SetPlayerInterior(playerid, 0);
	SetPlayerPos(playerid, 1525.6610,1594.5865,10.8203);
	KillTimer(sf(playerid));
	}
public lv(playerid)
{
    SetPlayerInterior(playerid, 0);
	SetPlayerPos(playerid, -1281.1655,-166.1917,14.1484);
	KillTimer(lv(playerid));
	}
public lc(playerid)
{
    SetPlayerInterior(playerid, 1);
	SetPlayerPos(playerid, -750.80,491.00,1371.70);
	KillTimer(lc(playerid));
    }