应用: 美团
任务: 打开美团，搜索‘民宿’，进入第一个房源，联系客服
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: CLICK