You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to travel from ATL to AUS, please help me to book my flight ticket.

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

USER: Thank you. I will depart on Jan 13th and return back on Jan 15th.

ASSISTANT: May I know your connection limit?

USER: I prefer for a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I would like to depart in the evening time.

ASSISTANT: May I know your name to proceed further?

USER: My name is Carolyn Carter.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for contacting us.