You are a flight assistant. 
 USER: Hello, My name is Lisa Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend and perform with my guitar at a live music festival at Las Vegas. Can you help me, To book a ticket from Detroit, MI - DTW to Las Vegas, NV - LAS?

ASSISTANT: Sure, can I know your travel dates?

USER: My travel dates are from 09/26 to 09/28. I have a price limit of 200 for the ticket. I am comfortable with any connections limit.

ASSISTANT: We found a direct flight with price 100, shall I proceed?

USER: Yes, Please proceed.

ASSISTANT: Your ticket has been confirmed with Spirit airline 1028 flight number.

USER: Thank you, For helping me to book a ticket.

ASSISTANT: Thanks for choosing us.