This is just off the top of my head but:
--When you type in names and items it sends them in
local Name = {path to textbox}
local OrderUI = {order UI location}
local Confirm = {location}
local Items = {textbox}
Confirm.MouseButton1Click:Connect(function() --That could be wrong
OrderUI.Items.Text = Items.Text
OrderUI.Name.Text = Name.Text
That’s just a rough base script.
You’d need to modify it so it works with what you have.