wrong listbox values

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C#3.5

please go inside this link http://imageshack.us/photo/my-images/197/skit2.png/[^] and you will see the result of my code. It should not be like that i want the input element to show up, not two element of "false" and "true". Why do i Get this, how can i get the the input value in the listbox as well as the combobox text in the same row?? maybe this code could make you help me

private bool ReadAndValidateInput(out string name, out double price)
       {


           ReadAndValidateName(out name);
           ReadAndValidatePrice(out price);

           //name = txtName.Text;
           //price = +Double.Parse(txtPrice.Text);

           if (ReadAndValidateName(out name) && ReadAndValidatePrice(out price))
           {
               ReadAndValidateName(out name);
               ReadAndValidatePrice(out price);
               return true;
           }
           else
               return false;

       }

public bool ReserveSeat(String name, double price)
       {
         if (m_nameList[10] ==null)
         {
               m_nameList[10] = name;
               m_priceList[10] = price;

               return true;
           }
           else
           {
               return false;
           }
       }

private void ReserveOrCancelSeat(SeatManager.DisplayOptions choice)
      {
         if (rbtnReserve.Checked == true)
          {
              // Validate data
              string name = null;
              double price = 0.0;

              if (ReadAndValidateInput(out name, out price) == true)
                  lstReservations.Items.Add(!m_seatMngr.ReserveSeat(name, price));
              {
                  if (!m_seatMngr.ReserveSeat(name, price))
                  {
                      lstReservations.Items.Add(!m_seatMngr.ReserveSeat(name, price));
                      // The seat was already reserved, ask user if we should continue with reservation
                      if (MessageBox.Show("The seat is already reserved, continue with reservation?", "Seat already reserved", MessageBoxButtons.YesNo) == DialogResult.Yes)
                      {
                          // We continue. First cancel seat.

                          // Then we reserve it
                          if (!m_seatMngr.ReserveSeat(name, price))
                          {
                              // This should not happen, throw exception
                          //    throw new Exception("The seat could not be reserved.");

                          }
                      }