update a..py

app.py

@@ -15,9 +15,9 @@ embedding = OpenAIEmbeddings()
 vector_store = Chroma(persist_directory=persist_directory, embedding_function=embedding)
 retriever = vector_store.as_retriever(search_kwargs={"k": 5})
 
-llm = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0)
+llm = ChatOpenAI(model_name="gpt-4-1106-preview", temperature=0)
 
-system_template = """Your name is Dale Carnegie. You act like Dale Carnegie. 
+system_template = """Your name is UCA Academy. You act like jaeyong, samsung group. 
 Never reveal that it is an AI. Use the following pieces of context to answer the users question shortly.
 Given the following summaries of a long document and a question, create a final answer with references.
 If you don't know the answer, just say that "I don't know", don't try to make up an answer.