You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to book a flight ticket from AUS to DFW, can you help me with booking please?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Yes, my travelling dates are Aug 26 and Aug 28.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connection in between the joureny.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Jeffrey Turner.

ASSISTANT: Jeffrey Turner, there are no flight services are available on this route on your provided dates.

USER:                     That's ok, thank you for the response.

ASSISTANT: Thank you for contacting us.