Update app.py

app.py

@@ -8,21 +8,36 @@ from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 @tool
-def calc_expression_dummy(expression: str) -> str:
-    """A tool that (pretends to) evaluate an arithmetic expression.
+def reserve_flight_ticket(departure_date: str, destination_airport: str) -> dict:
+    """Reserve an airline ticket for a given date and destination.
 
     Args:
-        expression: A string representing an arithmetic expression (e.g., '1 + 2*(3-4)').
+        departure_date: Departure date in ISO format (YYYY-MM-DD).
+        destination_airport: IATA airport code of the destination (e.g., HND, LAX).
 
     Returns:
-        A result string.
+        A dictionary containing the reservation result.
+        On success, returns status "success" and a ticket_number.
+        On failure, returns status "false".
     """
-    try:
-        # NOTE: Intentionally NOT evaluating `expression` (dummy tool for agent plumbing tests).
-        dummy_value = 1234567890
-        return f"Calc result for '{expression}': {dummy_value}"
-    except Exception as e:
-        return f"Error in calculator tool: {str(e)}"
+    import random
+    import string
+
+    # Simulate reservation success or failure
+    success = random.choice([True, False])
+
+    if success:
+        ticket_number = "".join(
+            random.choices(string.ascii_uppercase + string.digits, k=10)
+        )
+        return {
+            "status": "success",
+            "ticket_number": ticket_number
+        }
+    else:
+        return {
+            "status": "false"
+        }
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: