在Bixby中，您可以使用for-each循环来遍历列表并选择单个票务详情。以下是一个包含代码示例的解决方法：

action (GetTicketDetails) {
  type (Search)
  description (Get ticket details by navigating through a list)
  collect {
    input (tickets) {
      type (Ticket)
      min (Required) max (Many)
      prompt (Please provide the list of tickets)
    }
  }
  output (TicketDetails)
}

// 创建一个Concept来表示票务详情
concept (TicketDetails) {
  description (Details of a ticket)
  features {
    // 添加适用于票务的属性，如名称、日期、地点等
    feature (name) {
      type (Name)
      min (Required) max (One)
    }
    feature (date) {
      type (Date)
      min (Required) max (One)
    }
    feature (location) {
      type (Location)
      min (Required) max (One)
    }
  }
}

// 创建一个Action来获取单个票务详情
action (GetTicketDetail) {
  type (Search)
  description (Get details of a single ticket)
  collect {
    input (ticket) {
      type (Ticket)
      min (Required) max (One)
      prompt (Please select a ticket)
    }
  }
  output (TicketDetails)
}

// 创建一个Action来处理用户请求
action (HandleTicketRequest) {
  type (Search)
  description (Handle user request for ticket details)
  collect {
    input (requestedTickets) {
      type (Ticket)
      min (Required) max (Many)
      prompt (Please provide the list of tickets)
    }
  }
  output (TicketDetails)
  steps {
    // 使用for-each循环遍历请求的票务
    foreach (ticket in requestedTickets) {
      // 调用GetTicketDetail action来获取单个票务详情
      step (GetTicketDetail) {
        with (ticket)
        // 绑定获取的票务详情到单个票务变量
        bind {
          intent (TicketDetails)
          on-success {
            // 将单个票务详情添加到结果列表中
            append-to (TicketDetails)
          }
        }
      }
    }
  }
}

在上述示例中，HandleTicketRequest action使用for-each循环遍历用户请求的票务列表，并调用GetTicketDetail action来获取每个票务的详情。获取到的票务详情将会以列表的形式添加到TicketDetails结果中。

请根据您的具体需求进行相应的修改和扩展。