Question - Identify all the use cases for the case study by using Event decomposition technique.

Airline Information System for XYZ Company XYZ is a growing Australian airline company which aims to provide a number of airline system. New information system must include Flight reservation system Travel service reservation system Accounting and finance system Sale and marketing system. . Detailed information on these sub-systems can be found from the following. 1. Flight Reservation System There are two types of users-ordinary customers, who occasionally use the system, and regular customer, who use the system most frequently Usually ordinary customer want to buy cheaper flight tickets in order to save some money and such customers are nomally flexible with the dates. Flight reservation system should present with more options with cheaper alternatives when ordinary customers selects "flexible with dates" option while searching for bargain flights. The payment mechanisms through which an ordinary customer can pay are cash or card, where a 1.5% surcharge will apply on credit cardi. However, regular customer have special profiles where they can get advantage of special discounts and other benefits as royal member