Originally Posted by
NickB
But that is not the issue, is it? The agent is not concerned that he is not who he says he is. Rather the reverse: the agent refuses to proceeed precisely because he appears to be who he says he is rather than the other person.
Quite. There is nothing in the DPA that prevents the OP from dealing with his own booking. If BA have a stipulation that only the person who books a ticket can 'deal with it' then that must be a term of the ticket rather than the DPA.