"Hi, We are a group of 15 people looking for a transfer . 12 of us will arrive on Southend airport at 13.00 So until we get out will be 14:00 o clock , and 3 of us will arrive on Gatwick airport at 15.35 . We would like to know if is it possible to book if you have to stop on Gatwick to pick the rest of the people ."