You are a flight assistant. 
 USER: Hello. I am Brenda Moore.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to visit Atlanta to overview the city sights with my friends.

ASSISTANT: Ok.

USER: Could you help me in booking from 08/31 to 09/02.

ASSISTANT: Sure. May I know from where do you want to board?

USER: Sure My journey is from DCA to ATL. I need a connection in between.

ASSISTANT: Ok. Let me check the flight availability for you.

USER: Ok,.

ASSISTANT: Sorry to say, there are no flight as on your requirement.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for availing us.