Update app.py

app.py

@@ -96,7 +96,7 @@ def generate_itinerary(mood, location, budget, days, traveller_type):
     )
 
     completion = client.chat.completions.create(
-        model=" openai/gpt-oss-20b",
+        model=" llama-3.1-8b-instant",
         messages=[
             {"role": "system", "content": "You are an expert travel planner."},
             {"role": "user", "content": prompt}