I managed to get round the system as I wanted to find out ATPL exam times and if there was still availability at Gatwick for the dates I wanted to undertake the exams.
After several increasingly desparate attempts to actually speak to a real person (rather than hearing the numerous menus of options yet again), I just selected options that were in no way connected to the type of query I had. Having succeeded, I managed to speak to a helpful chap who gave me the info and advice I was looking for.