应用: 飞猪
任务: 打开飞猪，进入机票频道，查询“CA888”航班动态
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: TYPE
type_text: CA888
step_id: 5
action: CLICK