1. Go to 'Repair' -> "List'

2. Click 'Booking #' of customer who wants to buy 

3. Click 'Action' button in Section 3.

4. Click 'New Sales Transaction' on the list

5. Proceed as normal retail sales

If you are not sure how to make a new transaction, click the link below

https://manual.dbine.net/Repair/NEW-SALES-TRANSACTION