code: def DeleteFlowRequests(self, requests, cursor=None):
      
      if not requests:
        return
  
      conditions = []
      args = []
      for r in requests:
        conditions.append("(client_id=%s AND flow_id=%s AND request_id=%s)")
        args.append(db_utils.ClientIDToInt(r.client_id))
        args.append(db_utils.FlowIDToInt(r.flow_id))
        args.append(r.request_id)
  
      req_query = "DELETE FROM flow_requests WHERE " + " OR ".join(conditions)
      res_query = "DELETE FROM flow_responses WHERE " + " OR ".join(conditions)
  
      cursor.execute(res_query, args)
      cursor.execute(req_query, args)
docs: Deletes a list of flow requests from the database.