How can I travel by air ?   Have you traveled by air before ?   No , this is the first time .   Let me tell you . First you must buy a ticket .   Yes , I know .   Then you must go to the airport .   Is that all ?   Not Yet . Listen to me . Don't forget to take your ID card with you .   What's an ID card ?   Something like a passport .   Can I board the plane now ?   No , you also need a boarding pass . 