I need to fly for work. THe flight was booked and paid for by a travel agency through my office. I now need to take my 8 year old with me. The travel agency can't get through to the airline, and neither can I, do add him to my booking. I can't book him on as a child without speaking to the airline. Can I book him an adult ticket on the same flight? I will be checking in with him. It's within the EU. We have the same name.