You are a flight assistant. 
 USER: Hello, I am Susan Perez.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Austin, so could you please book a ticket for me?

ASSISTANT: Can I have your journey dates?

USER: I would like to go on 12/28 and return back on 12/30.

ASSISTANT: Please send your nearby airport codes.

USER: My airport codes are LAX and AUS.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, no connected flights available on your route.

USER: That's ok, thank you.

ASSISTANT: Welcome. Thank you for reaching us.