You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket from DEN to LAS?

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

USER: Jan, 12 and Jan, 14 are my journey dates.

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: Samantha Williams here.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 200 and depart time is 20:00 hours, arrival time is 21:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1002 and an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.