You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, let me know your trip dates please?

USER: My trip dates are Apr, 9 and Apr, 11.

ASSISTANT: May I know your connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you need any other preference?

USER: No, thanks.

ASSISTANT: Can I know your name please?

USER: Elizabeth Davis here.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 10:00 hours, arrival time is 14:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1027 in economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.