You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need to schedule my trip to Boston for attending my business partner marriage. Could you please help me in booking the ticket from ATL to BOS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: The travel dates are from 03/30 to 04/01.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a flight with 1 connection limit.

ASSISTANT: May I know your good name please?

USER: Emma Thomas here.

ASSISTANT: We found Spirit airline with economy class and flight number is 1001 with arrival time is 15:00 hours and depart time is 19:00 hours.Shall I proceed for booking?

USER: I prefer business class.

ASSISTANT: Sorry, there is no flight available for your request.

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

ASSISTANT: Thank you for reaching us.