delphi code for entering data website

I would like to get delphi code (Delphi 5 professional) for entering data in website [login to view URL] the following data should be entered: -departure airport -destination airport -departure day -return day after entering data the "search" button should be pogrammatically activated and the resultpage should show (no webscraping or so needed just the mentioned code) Please read the project first and write the word "Understood". Also write your steps and suggestions to complete the project with a short description of what you understood.