You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from DCA to ATL, can you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are Nov 14 and Nov 16.

ASSISTANT: Can you please share your connection limit?

USER: Sure, please look for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: Yes, I would like to start my journey for the afternoon flight.

ASSISTANT: May I know your name please?

USER: Myself Brandon Brown.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, ensure that I prefer for a business class.

ASSISTANT: Ok. Sorry, there are no flights found with your given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.