linked list

/********************************reservation class******************/

class Reservation {      //private members
private:
      Date      compare;
      Date      res_made;
      Date      pick_up;
      Date      due_back;
      int            con_months;
      enum      truck_type {Toyota, Nissan, Acura} trucks;
      //char*      truck_des[];
      
public:                  //public members/funcions
      Reservation      *next;
      Reservation();
      ~Reservation();
      void res_date (Date);
      void set_con (int);
      void set_dueback (Date);
      void print (void);
      void res_compare(void);
      //Date res_date (Date);
};



/*****************************future.h file******************************/

#include "res_header.hpp"

class future
{
private:
            
            Reservation* list;
            Reservation* leader;
            Reservation* follower;
            Reservation* tail;
            int count;
      
      public            
            create_list(Reservation*);
            locate();
            insert();
            void print(){cout<<"testing future"<<endl;}
            future();
            ~future();
}

/*************************************future.cpp file******************/
#include "res_header.hpp"
#include "future.hpp"


      future()
      {
            list==NULL;
            leader==NULL;
            follower==NULL;
            count=0;
      }

      void create_list(Reservation *temp, Reservation temp_reserve_data)
      {
            
            temp=new Reservation;
            temp=temp_reserve_data;
            if(list==NULL)
            {
                  list=temp;
                  leader=temp;
                  follower=temp;
                  tail=temp;
            }
            else

                  while(tail->    // ********here when I write tail-> the list is not
//getting displayed. How to write a linked list. Could you please tell me how to write a linked list in a c++. I know it in c. I am  not able to do it in c++. */
                  /*if (temp->compare ==1)
                  {
                        
                  }*/

      }