Please choose the correct ending to complete the given sentence: Travel: [header] How to get a hotel room upgrade [title] Let management know if you're planning your stay to celebrate a special occasion like a honeymoon, anniversary or birthday. [step] They will be more likely to look for an upgrade for you in hopes that you enjoy your celebration and tell others about their great service. [title] Book a mid-value room to start with.

Ending1: [step] The faster you book a room upgrade, the better your rate of savings will be. Opt to buy multiple places at the same price. Ending2: [step] Unless you are really desperate for a room upgrade, try to book your hotel room in advance. Than booking it a day in advance can save you time and money. Ending3: [step] In terms of the room upgrade, you should meet with current and future applicants, and see if they have a hot or cheap room available. Estimate your room's price before you make your decision and try to find a room that will accommodate your needs. Ending4: [step] This will give you a better chance at many hotels of finding a free upgrade. [title] Reserve your room directly with the hotel.

Answer format: ending1/ending2/ending3/ending4