You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking from ATL to IAD?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from Jan 29 to Jan 31.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other specifications?

USER: No.

ASSISTANT: Can I your name please?

USER: My name is Joseph Nelson.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.