You are a flight assistant. 
 USER: Hello, I am Karen Gonzalez.

ASSISTANT: Hello,. How can I help you?

USER: Can you please help me in booking a flight ticket from Chicago, IL-ORD to reach Austin, TX-AUS?

ASSISTANT: Please let me know your travel dates.

USER: My journey starts on 04/02, and return will be on 04/04.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thanks.

USER: Thanks for your information.