Hire of vehicle from Changsha to Zhangjiajie with driver

We have 6 of us who wish to travel from Changsha to Zhangjiajie for 5/6days, min luggage is 6 pieces, We need a vehicle and driver to follow us for the 5/6days until back to Changsha, can anyone advise what is the total cost inclusive of fuel, toll, parking, driver's accomodation and meals per day?