You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from ATL to DCA, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: Sure, my scheduled dates are Aug 27 and Aug 29.

ASSISTANT: Ok, please share your name.

USER: Sure, Ruth Phillips here.

ASSISTANT: Let me know your connection limit.

USER: I prefer a direct flight.

ASSISTANT: Do you have any specification?

USER: No.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.