You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from DCA to ATL?

ASSISTANT: Sure, we are here to help you. Can you please let me know your travelling dates?

USER: My travel dates are Oct, 25 and Oct, 27.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I need a break.

ASSISTANT: Are there any other specifications for you?

USER: I need to depart at afternoon time.

ASSISTANT: May I know your good name?

USER: Jessica Baker here.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.