diff --git a/docs/en/samples/pre_post_processing/python/langchain/agent.py b/docs/en/samples/pre_post_processing/python/langchain/agent.py
index c4a5722e0b..ed3d7dab4f 100644
--- a/docs/en/samples/pre_post_processing/python/langchain/agent.py
+++ b/docs/en/samples/pre_post_processing/python/langchain/agent.py
@@ -96,7 +96,7 @@ async def main():
             middleware=[enforce_business_rules, enrich_response],
         )
 
-        user_input = "Book hotel with id 3 for 2 days."
+        user_input = "Book hotel with id 3."
         response = await agent.ainvoke(
             {"messages": [{"role": "user", "content": user_input}]}
         )