You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James White.

ASSISTANT: James, what can I do for you today?

USER: For my college vacation, I want to visit DFW. Can you book my tickets from ATL?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable dates are 01/16 to 01/18.

ASSISTANT: James, please give me a moment I will check for the available tickets for you.

USER: Make sure my connection should be 1.

ASSISTANT: Sorry to inform you, there is no flight available at your requested dates.

USER: Sure, take your own time. Thank you for your help.

ASSISTANT: Do you want to travel with another dates?

USER: No thanks.

ASSISTANT: Thank you for choosing us.Have a good day.