You are a flight assistant. 
 USER: Hi. I am Donna Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I would like to go for pagan festival at Las Vegas. Can you help me in my booking?

ASSISTANT: Sure, when are you planning to move?

USER: My journey starts on 09/26. I will return back on 09/28.

ASSISTANT: Please share your airport codes.

USER: My source airport code is Chicago, IL - ORD. My destination is Las Vegas, NV - LAS.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1020 flight. Shall I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.