You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Could you please help me in booking a ticket from  ATL to DCA where I have a meeting to attend.

ASSISTANT: Sure, May I know the travelling dates?

USER: My itinerary travel dates are as follows 02/26 and 02/28.

ASSISTANT: Do you have any connection limit?

USER: I would like to board a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Steven White.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No issue, thank you for the information.

ASSISTANT: Thank you for opting us.