You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to fly with a connecting flight from DFW to AUS. Can you book a ticket from that route?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my planned travel dates are 12/10 and 12/12.

ASSISTANT: Do you have any specifications?

USER: I want a flight with single connection.

ASSISTANT: May I know your name please?

USER: Jennifer Scott here.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.