DialogueScript (LocalScript)

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Message = game.ReplicatedStorage:WaitForChild("Message")
local Image = Message:WaitForChild("SpeakerImage")
local Speaker = Message:WaitForChild("SpeakerName")

local player = game.Players.LocalPlayer
local DialogueFrame = player.PlayerGui:WaitForChild("DialogueGui").DialogueFrame


Message:GetPropertyChangedSignal("Value"):Connect(function()
    if Message.Value == "None" then
        DialogueFrame.Message.Visible = false
        DialogueFrame:TweenPosition(UDim2.new(0.55, 0,-1, 0), Enum.EasingDirection.In, Enum.EasingStyle.Quad, 1)
    else
        DialogueFrame.Message.Visible = true
        DialogueFrame:TweenPosition(UDim2.new(0.55, 0,0.15, 0), Enum.EasingDirection.In, Enum.EasingStyle.Quad, 1)
    end
    DialogueFrame.Message.Text = Message.Value
    script.Click:Play()
end)

Speaker:GetPropertyChangedSignal("Value"):Connect(function()
    print("New Speaker: "..Speaker.Value)

    DialogueFrame.ImageLabel.Image = Image.Value
    DialogueFrame.nameLabel.Text = Speaker.Value
end)