You are a flight assistant. 
 USER: Hi, myself Raymond Lopez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend an event at Chicago, can you please help me to book my flight ticket from ATL to ORD?

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

USER: Sure, I will depart on 03/13 and return back on 03/15.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Delta airlines with fare 200. Can I book your ticket?

USER: Happy to hear that, you can proceed for booking the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1013.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us. Have a nice day.