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 ATL to IAD?

ASSISTANT: Sure, kindly share your travel dates.

USER: I want to fly on Jan 21 and return on Jan 23.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Myself Larry Baker.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for reaching us.