You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Debra Miller, I want to book a flight ticket to visit a science fare at MN- MSP. Help me with booking.

ASSISTANT: Sure, could you please provide your journey dates?

USER: Sure, my travelling dates are depart date on 12/18 and return date on 12/20.

ASSISTANT: Ok, can I have your origin code?

USER: I want to fly from MI- DTW.

ASSISTANT: Ok, do you have any other restrictions to be met?

USER: I need the ticket with price within 1000.

ASSISTANT: Ok, please wait a moment, let me check the availability of flight and revert to you.

USER: OK.

ASSISTANT: Thanks for your valuable time, we are happy to inform you that we have found a flight of AA airline, flight number-1020 connections-1 and price limit is 100. Would you like me to proceed further?

USER: Please go ahead.

ASSISTANT: Sure seat has been reserved.

USER: Thank you.

ASSISTANT: Thanks for availing us, have a great day ahead.