You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Donald King. I want to book a ticket from ATL to JFK to attend seminar, can you help me in booking?

ASSISTANT: Sure, can you please share your travel dates?

USER: I am departing on Mar 04 and return on Mar 06.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Is there any requirement that you are looking for?

USER: I need a flight with connection limit 1.

ASSISTANT: Donald King, I am sorry to inform you that there is no flight available at your request.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome. Thank you for reaching us.