My thesis work which will be based on the topic “Developing and Modelling Applications”, In order to work on the thesis I have created a project where I have practiced several programming technologies and environments with which I developed the project.I have created a project that I called “Ticketing System for an Air Company”. Some more details, my project is a special System where particular Air Company can create a flight where there will be indicated such details like the origin where a plane departs and the destination where it flies to. Moreover, it includes some details about the gate number, the date and the time, in order to make it smarter I have included such called a connection, it needs to checks during ticket creation whether a flight with such routes exists or not. In addition, we can manage with flights, if it is needed we can delete the existing flight or edit the details.