How do you assign/select the buyer for a customer sales order?  In this case, we have many customers that call in orders, rather than place them online, so our CSR staff enters a sales order.  As part of the entry, they need to record who called in to place the order.  I see where contacts can be added to the Customer directly on the sales order, which is fine, but not what I need.  I need to be able to select an existing contact to assign as the buyer, in turn, they should receive the order confirmation email, etc.  I