need to create a clear sequence diagram via visual paradigm.

Question: Consider the following place order scenario and draw your sequence diagram. A shipping company will distribute items of a company where members place orders online. After the order is placed the mailing method is defined for each item in the order depending on the member's status. There are two kinds of membership: VIP and Ordinary. If the member is VIP then item is sent by courier. Otherwise the item is sent by standard mail. Optionally, the provider will send a confirmation to the member if he/she checked copted) for the notification when placing order