You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Dorothy Phillips here. Do you have any flight from DCA to ATL?

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are 09/27 and 09/29.

ASSISTANT: Do you need any connection limit in between your journey?

USER: I need 1 halt between journey.

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

USER: That's ok, thank you for providing me the information.

ASSISTANT: Thank you for choosing us.