Abstract Factory Pattern

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbstractFactory
{
    interface ShaleemarExpress
    {
        string ReservePassenger();
    }
    interface KarakaramExpress
    {
        string ReservePassenger1();
    }
    //shaleemar
    public class Student : ShaleemarExpress
    {
        public string ReservePassenger()
        {
            return "Student has been Reserved";
        }
    }

    public class Traveller : ShaleemarExpress
    {
        public string ReservePassenger()
        {
            return "Traveler has been Reserved";
        }
    }

    public class Employee : ShaleemarExpress
    {
        public string ReservePassenger()
        {
            return "Employee has been Reserved";
        }
    }

    //karakaram
    public class Student1 : KarakaramExpress
    {
        public string ReservePassenger1()
        {
            return "Student1 has been Reserved";
        }
    }

    public class Traveller1 : KarakaramExpress
    {
        public string ReservePassenger1()
        {
            return "Traveler1 has been Reserved";
        }
    }

    public class Employee1 : KarakaramExpress
    {
        public string ReservePassenger1()
        {
            return "Employee1 has been Reserved";
        }
    }

    interface ReservingFactory
    {
         ShaleemarExpress Reservepass();
         KarakaramExpress Reservepass1();
    }
    //concrete factories
     class ShaleemarStudentFactory : ReservingFactory
    {
        public ShaleemarExpress Reservepass()
        {
            return new Student();

        }

        public KarakaramExpress Reservepass1()
        {
            return new Student1();
        }
    }
    //concrete factories
     class ShaleemarEmployeeFactory : ReservingFactory
    {
        public ShaleemarExpress Reservepass()
        {
            return new Employee();
            // return new Employee();
            //return new Traveller();
        }

        public KarakaramExpress Reservepass1()
        {
            return new Employee1();
        }
    }
    //concrete factories
     class ShaleemarTravelerFactory : ReservingFactory
    {
        public ShaleemarExpress Reservepass()
        {
            return new Traveller();
            // return new Employee();
            //return new Traveller();
        }

        public KarakaramExpress Reservepass1()
        {
            return new Traveller1();
        }
    }

    //this is client
    enum MANUFACTURERS
    {
        Student,
        Employee,
        Traveler
    }
    class Reserver
    {
        //ShaleemarExpress shal;
        //KarakaramExpress kar;
        ReservingFactory factory;
        MANUFACTURERS manu;

        public Reserver(MANUFACTURERS m)
        {
            manu = m;
        }
        public void CheckAll()
        {
            switch (manu)
            {
                case MANUFACTURERS.Student:
                    factory = new ShaleemarStudentFactory();
                    break;
                case MANUFACTURERS.Employee:
                    factory = new ShaleemarEmployeeFactory();
                    break;
                case MANUFACTURERS.Traveler:
                    factory = new ShaleemarTravelerFactory();
                    break;
            }

            Console.WriteLine(manu.ToString() + ":\nShaleemar Passenger: " +
    factory.Reservepass().ReservePassenger() + "\nKarakaram Passenger: " + factory.Reservepass1().ReservePassenger1());

   //         Console.WriteLine(manu.ToString() + ":\nShaleemar Passenger: " +
   //factory.Reservepass2().ReservePassenger() + "\nKarakaram Passenger: " + factory.Reservepass3().ReservePassenger());
        
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            //for Traveler
            Reserver res = new Reserver(MANUFACTURERS.Traveler);
            res.CheckAll();

            Console.WriteLine("----------------------");

            //for Student
            res = new Reserver(MANUFACTURERS.Student);
            res.CheckAll();

            Console.WriteLine("----------------------");

            //for Employee
            res = new Reserver(MANUFACTURERS.Employee);
            res.CheckAll();
            Console.ReadLine();
        }
    }
}