To find the best train connection for your journey, you can use the online booking platform of Deutsche Bahn or another train operator. You can also use a third-party website or app, such as Omio or Trainline, to compare prices and schedules from different train companies.
When booking your train ticket, you will need to specify the departure and arrival stations, the date and time of travel, and the number of passengers. You may also be able to choose the class of travel and the type of seat.
Once you have booked your ticket, you will receive a confirmation email with all the details of your journey. You can print out the confirmation email or save it on your mobile device to show to the train conductor when you board the train.