You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I am Jonathan Collins.

ASSISTANT: Ok.

USER: I would like to attend Detroit Festival of the Arts in  Detroit, DTW. Can you please make a reservation from Las Vegas, LAS?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: My journey dates are, start from Las Vegas on 05/04 and arrival on 05/06.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: I can spend up to 1000 for airfare.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

ASSISTANT: We found a AA airline, flight number:1021 and the price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.