You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan White, I want to book a flight from Dallas airprot TX-DFW to meet my brother at Atlanta. Can you book a flight for me?

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

USER: I will fly on 04/02 and return on 04/04.

ASSISTANT: May I know your destination airport code?

USER: MY destination airport is GA-ATL.

ASSISTANT: Do you need any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flight found on your given dates.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for choosing us.