You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: My name is Donald Wilson. I need a ticket from Las Vegas, NV-LAS to Denver, CO-DEN, for science festival.

ASSISTANT: Ok, I will help you. May I know your dates of journey?

USER: Departure will be on 10/13 and will return by 10/15.

ASSISTANT: Can you please let me know how much you can afford for this journey?

USER: Ticket price limit is 1000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I am here say that, there is a flight available with AA airline, flight number 1019 with fare 200. Shall I reserve?

USER: I need connecting flight.

ASSISTANT: Yes, it is a connecting flight.

USER: Please book flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks.

ASSISTANT: Thank you for availing us, have a great day.