diff --git a/src/service/dialog_policy.py b/src/service/dialog_policy.py
index cb8a1de..9a405d0 100644
--- a/src/service/dialog_policy.py
+++ b/src/service/dialog_policy.py
@@ -5,29 +5,49 @@ from model.slot import Slot
 class DialogPolicy:
     
     def predict(self, dsm):
-        system_action = defaultdict(list)
         last_frame = dsm.state['history'][-1]
-        if(dsm.state['was_previous_order_invalid']==False):
-            match(last_frame.act.strip('/')):
+        if(dsm.state['was_previous_order_invalid'] == False):
+            if("inform" in last_frame.act):
+                act = last_frame.act.split('/')[0]
+            else:
+                act = last_frame.act
+            match(act):
                 case "inform" | "affirm":
                     current_active_status = dsm.get_current_active_stage()
                     match(current_active_status):
                         case "collect_food":
-                            system_action["inform"].append(["menu", dsm.state['constants']['menu']])
+                            return Frame(source="system", act = "inform", slots = [Slot("menu", dsm.state['constants']['menu'])])
                         case "collect_drinks":
-                            system_action["inform"].append(["drink", dsm.state['constants']['drink']])
+                            return Frame(source="system", act = "inform", slots = [Slot("drink", dsm.state['constants']['drink'])])
                         case "collect_address":
-                            system_action["request"].append(["address"])
+                            return Frame(source="system", act = "request", slots = [Slot("address")])
                     if(current_active_status == None):
-                        system_action["inform"].append(["order", dsm.belief_state])
+                        dsm.state['was_previous_order_invalid'] = False
+                        return Frame(source="system", act = "end")
+                case "request/menu":
+                    return Frame(source="system", act = "inform", slots = [Slot("menu", dsm.state['constants']['menu'])])
+                case "request/price":
+                    return Frame(source="system", act = "inform", slots = [Slot("price", dsm.state['total_cost'])])
+                case "request/ingredients":
+                    return Frame(source="system", act = "inform", slots = [Slot("ingredients", dsm.state['constants']['ingredients'])])
+                case "request/sauce":
+                    return Frame(source="system", act = "inform", slots = [Slot("sauce", dsm.state['constants']['sauce'])])
+                case "request/time":
+                    return Frame(source="system", act = "inform", slots = [Slot("time", dsm.state['belief_state']['time'])])
+                case "request/size":
+                    return Frame(source="system", act = "inform", slots = [Slot("size", dsm.state['constants']['size'])])
+                case "request/delivery-price":
+                    return Frame(source="system", act = "inform", slots = [Slot("delivery-price", "10")])
+                case "request/drinks":
+                    return Frame(source="system", act = "inform", slots = [Slot("drink", dsm.state['constants']['drink'])])
                 case "request":
+                    slots = []
                     for slot in last_frame.slots:
-                        system_action["inform"].append([slot, dsm.state['constants'][slot]])
+                        slots.append(Slot(slot.name, dsm.state['constants'][slot.name]))
+                    return Frame(source="system", act = "inform", slots = slots)
                 case "welcomemsg":
-                    system_action["inform"].append(["menu", dsm.state['constants']['menu']])
+                    return Frame(source="system", act = "inform", slots = [Slot("menu", dsm.state['constants']['menu'])])
                 case "bye":
-                    system_action["bye"].append([[], None]) 
+                    return Frame(source="system", act = "bye")
                 case "negate":
-                    system_action["affirm"].append([[], None]) 
-
-        return system_action
\ No newline at end of file
+                    return Frame(source="system", act = "affirm")
\ No newline at end of file