You are a flight assistant. 
 USER: Hello,. I am Dennis Lewis.

ASSISTANT: Hello, how may I render you today?

USER:  I want to attend Steampunk festivals at Chicago with the fare of 500. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Can you please help me with providing your journey points?

USER: I need to leave from my nearest airport Las Vegas, LAS to reach Chicago, ORD.

ASSISTANT: May I know on what dates that you prefer to travel?

USER:  I want to travel on 01/01, and need to catch return flight on 01/03.

ASSISTANT: Do you need  direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We have  found  a connecting flight with Southwest airlines, and the fare of 100.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1011 flight number.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us.