You only need the names of the passengers as stated on their ID (official first and original last name of all passengers) during the booking process. You do not need other passport details to complete your reservation. You will only need these when you check-in and, of course, when you go to the airport.
Related questionsHow can I make a reservation for an unaccompanie … Child discount on airline ticket Booking online: step by step
Special services Is my payment safe? Can I book a seat for my baby? What are the conditions of a flexible ticket? My booking was unsuccessful. Now what? What names do I need to enter when I make a reservation? Terms and conditions Airobot automated flight check-in service Which seats can I reserve while booking a flight ticket? How can I make a seat reservation? What is Airobot automated flight check-in service? Service packages