Hi my name is mahmoud , i read the task you need , i am a python developer with over 5 years experience and i am also a python instructor i have more than 22,000 on udemy , i can help you convert your script to exe and build awesome UI using pyqt5 for your app , and i can recored the whole process as a crash course for you , there is one of my desktop projects in my portfolio , i am sure you are gonna like it , and if you need a stand-alone course i am ready
You can check my profile for more information about my projects and my courses in udemy