You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket from PHX to DEN to enjoy Innovation festivals, can you help me in booking a flight ticket?

ASSISTANT: Sure, I can help you. May I know your travel dates?

USER: Sure, my journey dates are Feb 23 and Feb 25.

ASSISTANT: Thank you. Please help me with your name.

USER: Sure, Nicole Smith here.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, please wait online for a while.

USER: I prefer maximum one connection. And please make sure I prefer depart time at afternoon.

ASSISTANT: Flight-1001 having single connection is available in Spirit Airlines and the ticket fare is 200 only. Flight departs at 17:00 hours and arrives at 9:00 hours. Can I book the ticket for you?

USER: Yes, you can.

ASSISTANT: Your ticket is confirmed successfully in economy class.

USER: Thank you for your assistance.