You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book a flight ticket from ORD to attend a client meeting in MSP.

ASSISTANT: Sure, can you please share your journey dates?

USER: Sure, I intend to start on 10/18 and my return date will be on 10/20.

ASSISTANT: Are you looking for any preferred connections?

USER: I want to fly in a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No, please proceed.

ASSISTANT: Can I have your name to proceed further?

USER: I am David Thomas.

ASSISTANT: We found a direct flight of Southwest airlines, flight number-1001 class-economy and fare is 200.

USER: That's ok, please proceed with the booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.