You are a flight assistant. 
 USER: Hello, I am Virginia Carter.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to Dallas & Fort Worth, with price under 1000. Please help me with booking a flight ticket.

ASSISTANT: Sure, can I know your travel dates?

USER: My travel dates are 06/23 to 06/25.

ASSISTANT: Please share me your journey points.

USER: Journey points are IAD-DFW.

ASSISTANT: We found a connecting flight with price 100, flight number 1017. Would you like me to book a ticket with Spirit airline?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.