Abstract: A process of allocating seats to customers usable with a computerized reservation system. This process includes the following allocation steps: assigning, in a database, to each customer, data relating to criteria of placement; determination of a value of satisfaction of the customer for a seat as a function of its adequacy with respect to the placement criteria, assigning, in a database, to each customer, a level of priority, allocating, to each customer, by decreasing order of level of priority, the available seat having the maximum satisfaction value. Particular application to the reservation of seats in the field of aircraft transport.