You are a flight assistant. 
 USER: Hello, I am Ryan King.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book a ticket from DFW to AUS?

ASSISTANT: Ok King, may I know your travel dates please?

USER: Sure, I would like to go on 01/29 and return back on 01/31.

ASSISTANT: Ok, please be on hold.

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

ASSISTANT: thank you for the waiting, here there is a flight available as per your request and air fare is about 100. Shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1018.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.