Form6.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace FlightReservation
{
    public partial class Form6 : Form
    {
        public Form6()
        {
            InitializeComponent();
            button1.Click += button1_Click;
            button2.Click += button2_Click;
            button3.Click += button3_Click;

        }


        private void button1_Click(object sender, EventArgs e)
        {
            Form13 form13 = new Form13();
            form13.Show();
            this.Hide();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Form7 form7 = new Form7();
            form7.Show();
            this.Hide();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            Form8 form8 = new Form8();
            form8.Show();
            this.Hide();
        }
    }
}