Call Shooter Script - 1st time Ever made - EDITED

// Call Shooter
// From scratch By Avi Raj
// Rarest Idea Ever, Thanks for using it.

#include <a_samp>
#include <zcmd>

#define DIALOG_SHOOTER 457
#define DIALOG_TARGET 458

#define ShooterLastMessage "Hello, Target has been killed successfully! Enjoy."

public OnFilterScriptInit()
{
	print("\n--------------------------------------");
	print(" Call Shooter Loaded 100% succesfully ");
	print("--------------------------------------\n");
	return 1;
}

CMD:callshooter(playerid, params[])
{
    ShowPlayerDialog(playerid, 457, DIALOG_STYLE_LIST,"Shooter List","Karl - Starter Shooter\nHenry - Moderate Shooter\nJack - Sharp Shooter","Select","");
	return 1;
}

CMD:target(playerid, params[])
{
	    ShowPlayerDialog(playerid,458,DIALOG_STYLE_INPUT,"Enter Target's ID","Enter the Target's ID whom you want to be Dead","Enter","Cancel");
	    return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 457)
    {
        if(response)
        {
                switch(listitem)
                {
                    case 0: SendClientMessage(playerid, 0xFFAA00, "Karl has Been called for Shooting, Please Wait untill you get his reply.");
                    case 1: SendClientMessage(playerid, 0xFFAA00, "Henry has Been called for Shooting, Please Wait untill you get his reply.");
                    case 2: SendClientMessage(playerid, 0xFFAA00, "Jack has Been called for Shooting, Please Wait untill you get his reply.");
                }
                SetTimerEx("ShooterTimer", 5000, false, "ii", playerid, listitem);
        }
        return 1;
    }
    if(dialogid == 458 && response == 1)
	{
        SetPlayerHealth(strval(inputtext), 0.0);
        SendClientMessage (playerid, 0xFFFF00AA, ShooterLastMessage);
	}
    return 0;
}

forward ShooterTimer(playerid, type);
public ShooterTimer(playerid, type)
{
    switch(type)
    {
        case 0:
        {
            SendClientMessage(playerid, 0xFFFF00AA,"Karl: Hello, Just Let me know Details of the Player which you Want Dead.");
            SendClientMessage(playerid, 0xFFFF00AA,"Karl: Regards, Karl.");
        }
        case 1:
        {
            SendClientMessage(playerid, 0xFFFF00AA,"Henry: Hello, Just Let me know Details of the Player which you Want Dead.");
            SendClientMessage(playerid, 0xFFFF00AA,"Henry: Regards, Henry.");
        }
        case 2:
        {
            SendClientMessage(playerid, 0xFFFF00AA,"Jack: Hello, Just Let me know Details of the Player which you Want Dead.");
            SendClientMessage(playerid, 0xFFFF00AA,"Jack: Regards, Jack.");
        }
    }
}