You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to attend a global conference at ORD can you help me booking a flight ticket from DFW?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: When would you like to make your journey?

USER: I will start on 01/16 and return on 01/18.

ASSISTANT: How much you can spend for airfare?

USER: I can pay up to 1000.

ASSISTANT: May I know your name please?

USER: I am Richard Lewis.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. we found a connecting flight with Spirit airlines, flight number 1019 and the fare of 200.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us. Have a nice journey.