Recording purchase order form to Data

Hi,
i am still quite new with VBA coding much help will be appreciate.
I have created a purchase order form where the "Product Selection" button allow users to select their toys for purchases. Now, i need another function which is created as well named "Comfirm order". Upon clicking this function, i want all the information from cell B4:D9 to be transferred to "Sales Data" sheet.
Thank you.