Hello there,
I have read you project details, I will modify your wordpress taxi plugin to include take a car for several hours, show the prices in given range. I will complete this work in 3 days.
We are a 10 year old IT company with highly skilled designers and developers to work on php, Mysql, Jquery, Wordpress, OSC, Magento, OpenCart, Mobile development, iPhone, Responsive etc.
It would be better if you come to have a close discussion over chat .
Best Regards
Harpreet Singh