1.Sales clerk answers telephone and connects to customer.
2.Clerk verifies customer information.
3.Clerk initiates the creation of a new order.
4.Customer requests an item be added to the order.
5.Clerk verifies the item(Check item availability use case).
6.Clerk adds item to the order.
7.Repeat steps 4,5 and 6 until all items are added to the order.
8.Customer indicates end of order,clerk enters end of order.
9.Customer submits payment;clerk enters amount.