You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,  how can I be of your service?

USER: I would like to book a flight ticket to Austin to take a part in scuba driving, can you help me to book a connecting flight ticket?

ASSISTANT: Sure, let me know your favourable journey airport codes?

USER: I need to leave from Chicago, IL-ORD to reach Austin, TX-AUS.

ASSISTANT: when did you schedule your dates of journey?

USER: I will depart on 08/08 and my return date will be on 08/10.

ASSISTANT: May I know your good name please?

USER: I am Karen Brown.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: There are no connecting flights found according to your specifications.

USER: Ok, no problem. I'll choose another alternative. Thanks you.

ASSISTANT: Thank you for availing us.