You can book a taxi via following methods:
Telephone: +44 118 907 9293
Yes, it's possible to pre-book a taxi with Yell Taxis, please contact the company.
Yell 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.