The guy who sends the e-mails has a thousand things to do, you may well not hear from him again, you have been invited, you have either agreed or declined, just be there on the day mentioned. There are no other dates for the UK and Europe, the other places are for the guys from those parts of the world.
If you read this thread you will see whats involved, as one of the UAE expats who has been for selection detailed the testing.
