You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking a flight ticket from DCA To ATL?

ASSISTANT: Sure, Please provide your trip dates.

USER: I want to travel on 02/08, and return on 02/10.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am John Garcia.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us.