class DataProxy(dataStore: ActorRef) extends SubScriptActor {

  def script live = << req: InformationRequest => dataStore ! req ==>
    var response: (Data, Details) = null
    << data: Data => dataStore ! DetailsRequest(data) ==>
      << details: Details ==> response = (data, details) >>
    >>
    {sender ! response}
  >> ...

}

class DataStore extends SubScriptActor {

  def script live = <<
    InformationRequest(name) => sender ! getData   (name)
    DetailsRequest    (data) => sender ! getDetails(data)
  >> ...

}