You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello how may I aid you?

USER: I am Kathleen Wright. Could you please help me to book a ticket from AUS to HOU as my meeting purpose?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are on 06/27 and 06/29.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: OK. Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.