You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you book a flight ticket from MSP to DEN?

ASSISTANT: Sure, I am gleeful to assist you. Can you please forward your journey dates that you wish to travel?

USER: I will start on Nov, 19 and return on Nov, 21.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I need a flag stop.

ASSISTANT: May I know your good name please?

USER: Christopher Nelson here.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: No, thank you for asking.

ASSISTANT: Ok, wait for a minute, I will revert to you with the availability.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a Southwest airline, flight number-1018 connections-1 and price limit is 500. Would you like me to book the ticket?

USER: Please make it confirm.

ASSISTANT: Sure, a seat has been reserved successfully for a business class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.