You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I was looking for the flights for my holiday trip from AUS to DFW. Can you please check with the flight availability?

ASSISTANT: Sure, let me know your trip dates please?

USER: My journey dates are from Nov 29th to Dec 1st.

ASSISTANT: Do you have any other specifications?

USER: I only need a direct flight, I don't have any other specifications.

ASSISTANT: Can I know your name please to proceed further?

USER: My name is Ashley Lewis.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Oh! That's fine, thank you for checking anyways.

ASSISTANT: Thanks for contacting us.

USER: Have a great day ahead.