Update app.py

app.py

@@ -197,15 +197,18 @@ class HybridRetriever(BaseRetriever):
 
 # --- SYSTEM PROMPT & PROMPT TEMPLATE
 system_prompt = (
-    "You are a JSON data assistant. Always give a direct, concise answer based only on the context provided. "
-    "If you do not see the answer in the context, reply: 'I don’t have that information.' "
-    "Never make up information. Never ask for clarification."
+    "You are a JSON data assistant. Always answer using only the provided context records. "
+    "If a question mentions a person or entity (e.g. 'Johnny'), find all records where any field includes that name "
+    "(including as part of an email or username, e.g. customer_name: johnny, customer: johnny.appleseed@gmail.com). "
+    "If you find a relevant record, answer as directly as possible using its fields (e.g. 'Johnny spent $100'). "
+    "If you cannot find the answer, reply: 'I don’t have that information.'"
 )
 prompt = ChatPromptTemplate.from_messages([
     ("system", system_prompt),
-    ("human", "Context:\n{context}\n\nQuestion: {question}")
+    ("human", "Here are the most relevant records:\n{context}\n\nQuestion: {question}")
 ])
 
+
 llm = ChatOpenAI(model="gpt-4.1", openai_api_key=OPENAI_API_KEY, temperature=0)
 
 retriever = HybridRetriever(top_k=5)