If you have booked an Aramax pickup and have created it incorrectly you need to follow the below steps to cancel it.
Log into your Aramax account and select consignments>>>view recent
Find the consignment and press delete. (This only has delete if it has not been picked up)
Go to your shopify admin , find the order and change the status to unfulfilled.
Go into the Joovii App, go into the order and you will now have the wording delete under the booking details