Update app.py

app.py

@@ -7,7 +7,7 @@ import asyncio
 client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
 
 DEFAULT_LANGUAGE = "English"
-WELCOME_MESSAGE_EN = "Hi! I'm your friendly assistant 🤖 Let's begin!\n\nPlease tell me which language you'd like to use."
+WELCOME_MESSAGE_EN = "Hi! I'm Robin, your dialogue partner.\nWe're about to begin a conversation that includes nine questions. Are you ready?\nPlease tell me which language you'd like to use."
 
 # === Question Bank ===
 SET_I = [