How do you make this script compatible to GUI buttons?

local PlaneClone = script.Parent.Plane:clone() --Lines 1-10 set variables
local Planekit = script.Parent
PlaneClone.Origin.Value = Planekit
script.Parent.Plane.Origin.Value = Planekit
local EnterOnSpawn = Planekit.EnterOnSpawn
local Button = Planekit.Button
local Main = Button.Main
local RegenGui = script.RegenGui
local PlaneClone2 = nil
local Active = true
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local RegenTime = 1 --Change this to how long it takes the plane to regen
local WaitTime = 0 --Change this to how much time you have to wait before you can regen another plane
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function DeleteIdlePlane() --This deletes any planes that aren't currently being used
    for _,v in pairs(Planekit:GetChildren()) do
        if v.Name == "Plane" then
            v:Destroy()
        end
    end
end

function RegenMain() --This function regens the plane
    local PlaneClone2 = PlaneClone:clone()
    PlaneClone2.Parent = Planekit
    PlaneClone2.Origin.Value = Planekit
    PlaneClone2:MakeJoints()
    return PlaneClone2
end

function RegeneratePlane(Part) --This is the main regenerating function
    local Player = game.Players:GetPlayerFromCharacter(Part.Parent) --This gets the player that touched it
    if Player then
        if Active then
            Active = false
            DeleteIdlePlane() --This activates the "DeleteIdlePlane" function
            for i = 0,1,0.2 do --This makes the button transparent
                Main.Transparency = i
                wait()
            end
            if RegenTime >= 1 then
                RegenGui.Parent = Player.PlayerGui --The regengui will be put into the player if the regentime is more than 1
            end
            wait(RegenTime)
            RegenGui.Parent = script --This puts the gui back in the script
            local PlaneClone2 = RegenMain()
            if EnterOnSpawn.Value then --If the EnterOnSpawn value is true...
                coroutine.resume(coroutine.create(function()
                    repeat wait() until PlaneClone2.Welded.Value
                    onPlaneWelded(Player,PlaneClone2) --This activates the "onPlaneWelded" function whenever the welded value changes
                end))
            end
            wait(WaitTime)
            for i = 1,0,-0.2 do --This makes the button visible
                Main.Transparency = i
                wait()
            end
            Active = true
        end
    end
end

function onPlaneWelded(Player,Plane) --This function put you into the plane seat the moment the plane is welded
    if Plane and Player then --This checks to make sure there is a plane and a player
        if Player.Character:findFirstChild("Torso") then
            Player.Character.Torso.CFrame = Plane.MainParts.Seat.CFrame
        end
    end
end

Main.Touched:connect(RegeneratePlane) --This activates the "RegeneratePlane" function when the Main brick is touched