You are a flight assistant. 
 USER: Hi. Karen Nelson here.

ASSISTANT: Hello. May I know how best I can aid you today?

USER: I need to book a flight ticket to submit my research document at Minneapolis & St.Paul MN-MSP. Would you please book me a flight ticket?

ASSISTANT: Certainly, I am here to help you in booking.

USER: Thank you.

ASSISTANT: What date would you like me to book your ticket?

USER: I need to make some corrections in my document ,So I would like to start my journey on 11/12.

ASSISTANT: Where do you want to start your journey to reach Minneapolis?

USER: NC-CLT will be my nearest airport to board.

ASSISTANT: Please let me know when would you like to return from Minneapolis.

USER: I need to return on 11/14.

ASSISTANT: May I know how much you can afford for the flight ticket?

USER:  I need a flight ticket within 500 .

ASSISTANT: Do you need a whistle stop within your journey?

USER: I need a break in between my journey.

ASSISTANT: Thanks for giving your journey details, wait a moment I will check and revert to you.

USER: Ok, Take your time.

ASSISTANT: Thanks for being patient, We found an UA airline matching with your specifications.

USER: Can I know the flight details?

ASSISTANT: The flight number-1019 with single connection and the fare 100. Shall I continue with the booking?

USER: That's fine, You can make a reservation.

ASSISTANT: Your seat is reserved with the UA airline.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: You're welcome. Happy journey.