Check that you have entered the correct e-mail address when booking. Check the spam folder in your inbox. If you can't find the e-mail, log into your account on the Transdev Shuttle website or click manage my reservation and follow the instructions. If you still haven't received the email, call the Transdev Shuttle team on +33 (0)1 41 47 13 00 between 8 am and 9 pm.