You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket from ATL to ORD?

ASSISTANT: May I know your desired travel dates please?

USER: I will start on Jan, 25 and return on Jan, 27.

ASSISTANT: Do you have any specifications?

USER: I would prefer to single connection.

ASSISTANT: May I know your name please?

USER: Barbara Moore here.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked, flight number 1000, departure time is 3:00 hours and arrival time is 16:00 hours.

USER: Thank you.

ASSISTANT: Thank you for opting us.