I can't found train from Chengdu to Jiuzhaigou and back. Could you advise what the train no.

How much the cost for rent a car from Chengdu to Jiuzhaigou and back again to Chengdu. We are 4-5 person.

Is direct flight from Zhangjiajie to Chengdu daily? I can't found its also. Pls. advise

Thanks again for your reply.