You can book a taxi via following methods:
Online: http://kent-taxis.wix.com/kent-taxis
Telephone: +44 123 336 7467
Telephone: +44 750 679 0902
Email: myalltaxis@gmail.com
Yes, it's possible to pre-book a taxi with Kent Taxis, please contact the company.
Kent Taxis has both regular and air-conditioned taxis, please mention your preference at the time of booking.
Please contact the company on their helpline number to make any changes.
Generally drivers will meet the passengers at the arrivals on airport pick ups but do check with the company.