[Step 1] User: Compare orders ORD-1 and ORD-2
[Step 2] Agent → tool: get_order(order_id="ORD-1")
[Step 3] Tool output: {"id":"ORD-1","status":"shipped"}
[Step 4] Agent → tool: get_order(order_id="ORD-2")
[Step 5] Tool output: {"id":"ORD-2","status":"pending"}
[Step 6] Agent: ORD-1 shipped; ORD-2 is still pending.
