You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you now?

USER: Please book a flight to New York, NY-LGA from Austin, TX-AUS, for arts and crafts festival.

ASSISTANT: Ok, please specify your connection limit?

USER: Connections limit 0.

ASSISTANT: May I know your good name please?

USER: Brenda Edwards is my name.

ASSISTANT: Ok, please mention your travel dates?

USER: Depart by 12/06 and return on 12/08.

ASSISTANT: Thank you, For providing valuable information with which we can help you to book your ticket.

USER: Sure.

ASSISTANT:  I regret, there is no direct flight available with your requirements.

USER: Thanks for the help.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket booking.