You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Margaret Robinson here. I would like to prefer a economy class for my business trip to Denver. So can you book the flight ticket for me?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: The travel dates are from 05 Mar to 07 Mar.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: The airport codes are from MCO to DEN.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Spirit airlines running a flight in your route with connection 1 and the ticket fare is 100. Shall I proceed with booking?

USER: You can book the flight ticket.

ASSISTANT: Ok Margaret Robinson, your ticket booking has done and the flight number is 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.