Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to prepare yourself for your first flight [title] Buy a ticket. [step] For most people, the easiest and most cost-effective way to buy a ticket is through an online travel site. If you prefer to talk to a person, you can call the airline directly, or use a travel agent.

Ending1: ( for some international flights, browsing an online travel site will be the most efficient). [substeps] Make sure that the video camera you choose is small enough to accommodate all of your interactions with the flight attendant. Ending2: Once the ticket is purchased, you will receive an email confirmation with the option to either print your ticket at home or link it to your phone. You can also print your ticket at the airport. Ending3: [substeps] People making arrangements for tickets are generally more honest about their financial situation. Meeting a flight attendant in person may provide a legitimate option, but timing often is not necessarily as accurate. Ending4: Many airlines have online apps, including hotels and milk of magnesia, that let you see ticket prices. [substeps] Most airlines offer discount rates for their stops, so it is a good idea to check beforehand.

Answer format: ending1/ending2/ending3/ending4