When you make a transfer booking, and accept the terms & conditions, on behalf of your party, and pay the balance in full.
The booking is only confirmed when you receive the e-mail confirmation, and will be your ticket (printed or by electronic device). You may be asked to show it to the chauffeur for both the outward journey and return trip.
The reservations are always process through the legal Portuguese time (GMT +00).
Cancelations are only accepted 24 hours in advance.