You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jack Perez.

ASSISTANT: How can I assist you?

USER: I would like to settle in  Austin, so can you help me booking flight?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My travel dates are 01/31 and 02/02.

ASSISTANT: May I know your airport codes please?

USER: My source airport code is ORD and destination airport code is AUS. Provide flight with 0 connection.

ASSISTANT: Sorry Jack, according to our portal there are no flight available at those locations.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for choosing our agency.

USER: You are welcome.