You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Can you reserve a ticket to CLT to play in Nascar Hall which is famous for car racing,  can you find a flight?

ASSISTANT: May I know your source code?

USER: My region is DFW.

ASSISTANT: Please tell me your trip dates also.

USER: Dates would be on 09/11 and 09/13.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: According to your dates, there is a flight available with Spirit airlines, shall I proceed your booking?

USER: Make sure that the ticket budget is below 500, then you can proceed.

ASSISTANT: Yes, price limit is 100 only. Your ticket is booked with flight number 1027.

USER: My name is Emily Gonzalez. Thank you for booking my ticket and your good service.

ASSISTANT: Thank you.

USER: Welcome.