You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me in booking a flight ticket from IAD to ATL.

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: Sure, my travel dates are from Dec 08 to Dec 10.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between my journey.

ASSISTANT: Let me know about your other preferences for the journey.

USER: I would like to depart in the afternoon and return in the evening.

ASSISTANT: Can I know your name to proceed further?

USER: Myself Nicholas Green.

ASSISTANT: Sorry, we have not found any flights running on your desired routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.