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