RaPAL Conference 2017
To purchase a ticket and accommodation, for example, click on the item you want and then come back and select the second and everything can be paid for at the same time in one basket? Item quantities can also be adjusted in the online purchase basket (e.g. one ticket with two Sat night accommodations).
European Commission official website
The Online Dispute Resolution website is an official website managed by the European Commission dedicated to helping consumers and traders resolve their disputes out-of-court.