Group 1 - The Dragon Boat Festival holiday will last for three days from May 31 to June 2, 2023, with ticket sales starting on May 16 for the day before the holiday and on May 17 for the holiday itself [1] - The 12306 app has introduced a pre-fill information feature to enhance ticket purchasing speed, allowing users to pre-select travel details before ticket sales begin [2] - The railway department offers a "reserve ticket" service, allowing users to submit up to six reserve orders, with a maximum of nine passengers per order, and the ability to choose from multiple travel dates and train options [2] Group 2 - Air ticket prices for the Dragon Boat Festival are showing an upward trend before the holiday, with significant discounts available on the first day of the holiday [2][3] - For example, on May 31, the lowest economy class ticket from Hangzhou to Beijing is priced at 269 yuan, which is 1.2 times the discount [3] - International flight prices also fluctuate, with tickets from Hangzhou to Bangkok dropping to 675 yuan on the holiday itself, a 50% decrease from the day before [3]