You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please check for the flights from DCA to IAD please?

ASSISTANT: Sure, let me know your journey dates?

USER: My journey dates are from May 29 to May 31.

ASSISTANT: Do you have any connection limit?

USER: I need 1 connection flight.

ASSISTANT: Is there any other specifications?

USER: I want to depart in afternoon.

ASSISTANT: Can I know your name?

USER: Myself Shirley Turner.

ASSISTANT: Thanks for your details, there is no flight found on your journey dates.

USER: Oh! That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.

USER: Most welcome.