Go to the calendar icon in the main menu and click on the word Agenda.
Click on Offers to Suppliers in the Vehicle column of a published booking.
In the Job Offers window, you can see all of the suppliers to whom you have offered a job for this booking.
Move your mouse on the supplier name to view the data of the job offer.
Click on the trash icon if you want to annul the job offer for that supplier.
When a connected supplier accepts the job offer, all of the offers related to that booking are annulled and the supplier is assigned the booking.