You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a flight ticket from ORD to DCA to enjoy Innovation festivals. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please provide your journey dates.

USER: Sure, my scheduled dates are Aug 20 and Aug 22.

ASSISTANT: Do you need any connection limit?

USER: I prefer maximum 1 connection.

ASSISTANT: Can I know your timings?

USER: I would prefer return time at afternoon.

ASSISTANT: Do you need any other requirements?

USER: I want to fly in a economy class.

ASSISTANT: May I know your name?

USER: Sure, Matthew Smith here.

ASSISTANT: I found a direct flight in economy class with Delta Airlines and ticket fare of 200. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket is confirmed with flight 1024.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.