Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to have an empty seat next to you on southwest airlines [title] Check in early. [step] No seats are assigned on southwest airlines, but boarding positions are assigned at check-in. The earlier you check in, the better position you will secure for yourself.

Ending1: [substeps] Find a spot in the terminal with minimal seating. Standing in the aisle is generally preferable. Ending2: Arrive at the boarding gate no more than half an hour before boarding your flight on southwest airlines. [substeps] If you have reservations, then get them and keep them in your bag. Ending3: Check-in begins 24 hours prior to your departure time. [substeps] The earlier you board the plane, the more seating options will be available to you. Ending4: [substeps] Gate managers and airline workers may be in a different section on the platform. If the employees appear absent, you may not get access to the seat furthest away from you.

Answer format: ending1/ending2/ending3/ending4