You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Kenneth Moore, I need a flight on 02/04 to Chicago for short vacation. Can you book a connecting flight for me?

ASSISTANT: Okay, could you let me know your return date?

USER: I will return on 02/06.

ASSISTANT: How much you can afford for this trip?

USER: My budget is 200 for flight ticket.

ASSISTANT: What are your airport codes?

USER: My source point is DC-DCA and destination is IL-ORD.

ASSISTANT: We have a connecting flight of Hawaiian airline, flight number 1020 and fare is 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.