You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: I am Anthony Jackson, I want to book a flight ticket from CO- DEN to NV- LAS. Please help me out.

ASSISTANT: Ok, may I know your dates?

USER: I want to fly on 07/19 and return on 07/21.

ASSISTANT: Ok, we have a flight for you with price 500 and connection 1. Should I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed with airline Frontier on flight 1007.

USER: Thank you for the reservation.

ASSISTANT: Welcome.