You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel AUS and DFW, can you please reserve flight ticket?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are June,29 and July,01.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer one connecting flight, that's it.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: Myself Nicole Moore.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: That's ok, I will choose any alternate source to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.