How do I book for a guest?

A booking can also be made for travelers who do not have their own user profile. 

Enter the traveller's name

In the next step, "Add guest" is selected instead of a traveler with your own user profile:

Enter further data of the guest

In the window that then appears, all the guest data required for the booking can be entered:

By clicking on "Add guest" the guest is recorded as a traveler in the trip.