You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to visit CNN Center in Atlanta.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am ready to help you. Which dates you are planned for the trip?

USER: The preferable dates are from 09/13 to 09/15. The airport codes are from GA-ATL to NC-CLT.

ASSISTANT: Sure, please wait for a minute. As per your request, there is a flight with airline Spirit. Shall I proceed?

USER: Ok, may I know the price?

ASSISTANT: Price is 400.

USER: Ok, please book the ticket.

ASSISTANT: For booking your ticket, may I know your name?

USER: Sure, my name is Sandra Evans.

ASSISTANT: Sandra Evans, your ticket has been booked with flight number 1021.

USER: Thank you for your help.

ASSISTANT: Have a safe journey. It's my pleasure.