应用: Trip.com
任务: 使用Trip.com搜索下周一从San Diego到San Francisco，再从下周三从San Francisco到Beijing的Multi-city机票，乘机人员为2个成年人和1个Children，筛选条件为：Direct、Lower emission flights、经济舱。分别选择符合要求的第一个航班，截图在下单页面。
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
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action: CLICK
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action: TYPE
type_text: San Diego
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action: CLICK
step_id: 7
action: CLICK
step_id: 8
action: CLICK
step_id: 9
action: TYPE
type_text: San Francisco
step_id: 10
action: CLICK
step_id: 11
action: CLICK
step_id: 12
action: CLICK
step_id: 13
action: CLICK
step_id: 14
action: CLICK
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action: CLICK
step_id: 16
action: CLICK