You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a flight ticket to DCA from ATL, can you please help me out?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, my planned travelling dates are Oct 02 and Oct 04.

ASSISTANT: Do you have any preferences?

USER: Yes, I am looking for a direct flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Sharon Garcia.

ASSISTANT: Sorry, I did not find any flights for you.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.