应用: 携程旅行
任务: 打开携程旅行，点击“我的”，申请退款最近一笔订单
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: STOP