You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Amanda Jones.

ASSISTANT: Jones, how may I assist you today?

USER: I need a direct flight to AUS, can you please book me a ticket from DFW?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: I want to depart from here on 11/29 and fly-back on 12/01.

ASSISTANT: Ok, let me check for the best flight available.

USER: Sure.

ASSISTANT: Sorry Jones, I have not found any flights on your preferred dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you so much for choosing us and have a nice day.