应用: 携程旅行
任务: 打开携程旅行，预定08-25日北京到杭州，08-28返回的机票。
操作步骤:
step_id: 0
action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
step_id: 6
action: TYPE
type_text: 杭州
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
step_id: 14
action: CLICK