diff --git a/trailminator/dp.py b/trailminator/dp.py
index 76d19a7..cad33e9 100644
--- a/trailminator/dp.py
+++ b/trailminator/dp.py
@@ -3,7 +3,16 @@ class Dp:
         self.act = act
         self.param = param
         self.answers = {
-            'request': {'imie': "welcomemsg"}
+            'request': {
+                'imie': "welcomemsg",
+                'from': "from",
+                'to': "to",
+                'time': "date",
+                'passangerCount': "travelers_count",
+                'discountCount': "travelers_discount_count",
+                'seatType': "seat_type",
+                'wagonType': "carrige_class",
+            }
         }
         
     def identify(self):
diff --git a/trailminator/dst.py b/trailminator/dst.py
index 40fbef1..31ab0ec 100644
--- a/trailminator/dst.py
+++ b/trailminator/dst.py
@@ -1,5 +1,5 @@
-class Dst:
     def __init__(self):
+    class Dst:
         self.messages = []
         self.checklist = {
             "from": None,
@@ -22,3 +22,9 @@ class Dst:
         for key, value in self.checklist.items():
             if value == None:
                 return key
+
+    def save_answer(self, slots):
+        for slot in slots:
+            self.checklist[slot[0]] = slot[1]
+
+        self.messages.append(slots)
diff --git a/trailminator/nlg.py b/trailminator/nlg.py
index 3586721..08cb638 100644
--- a/trailminator/nlg.py
+++ b/trailminator/nlg.py
@@ -1,14 +1,13 @@
 import random
 from urllib import response
 
-from scipy import rand
-
 class Nlg:
-    def __init__(self, response_type: str) -> None:
-        self._response_type = response_type
-        self.responses = {"welcomemsg": ["I AM TRAIlMinATor!", "Cześć, jestem TrailMinator"],
-                          "null": "Can't hear you"}
 
-    def response(self) -> str:
-        avail_resps = self.responses.get(self._response_type)
+    def __init__(self) -> None:
+        self.responses = {
+            "welcomemsg": ["I AM TRAIlMinATor!", "Cześć, jestem TrailMinator"],
+                          "null": ["Can't hear you"]}
+
+    def response(self, response_type: str) -> str:
+        avail_resps = self.responses.get(response_type)
         return avail_resps[random.randint(0, len(avail_resps)-1)]
diff --git a/trailminator/nlu.py b/trailminator/nlu.py
index e6be84f..feaea91 100644
--- a/trailminator/nlu.py
+++ b/trailminator/nlu.py
@@ -58,10 +58,4 @@ class Nlu:
         return (act, param)
 
 nlu = Nlu()
-print(nlu.tokenize('chciałbym kupić bilet do Krakow'))
-print(nlu.tokenize('chciałbym kupić bilet z Poznan'))
-print(nlu.tokenize('w piątek'))
-print(nlu.tokenize('4 bilety'))
-print(nlu.tokenize('2 bilety z ulgą studencką'))
-print(nlu.tokenize('miejsce pod oknem'))
-print(nlu.tokenize('druga klasa'))
\ No newline at end of file
+print(nlu.tokenize('chciałbym kupić bilet na pociąg z Poznan do Krakow'))
diff --git a/trailminator/trailminator.py b/trailminator/trailminator.py
index 8f9011a..93d539f 100644
--- a/trailminator/trailminator.py
+++ b/trailminator/trailminator.py
@@ -4,12 +4,23 @@ import dp
 import nlg
 
 if __name__ == "__main__":
-    msg = "Jak masz na imie?"
-    dp_params = nlu.Nlu().parse(msg)
-    # print(dp_params)
-    nlg_params = dp.Dp(*dp_params).identify()
-    # print(nlg_params)
-    print(f"{msg}\n{nlg.Nlg(nlg_params).response()}")
+    nlg = nlg.Nlg()
+    nlu = nlu.Nlu()
+    dst = dst.Dst()
 
-    d = dst.Dst()
-    print(d.get_next_question())
+    next_question = dst.get_next_question()
+    while (next_question):
+        print(next_question)
+        response = input()
+        res_tokenized = nlu.tokenize(response)
+        dst.save_answer(res_tokenized['slots'])
+        next_question = dst.get_next_question()
+
+    print(dst.checklist)
+    # print(dp_params)
+    # nlg_params = dp.Dp(*dp_params).identify()
+    # print(nlg_params)
+    #print(f"{msg}\n{nlg.Nlg(nlg_params).response()}")
+
+    #d = dst.Dst()
+    #print(d.get_next_question())