The traveler knows his/her travel plan the best he/she seldom passes all relevant information to the travel desk resulting in losses. The difference in fare rules between choosing a refundable, round trip special, non refundable or a corporate fare when highlighted helps the travelers choose the best product/service best suited for his/her travel plans.
Typically corporate fares come with a waiver on cancellation and date change fee. Choosing this fare type would help a traveler whose travel plans aren't certain. This fare type offers a lot of flexibility ticket.
Educating the employee of the benefits and constraints of each fare type will result in eliminating losses and increase savings.