You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Paul Parker from Atlanta. Could you please book a flight ticket from ATL to EWR?

ASSISTANT: Sure, I can do that for you. Can you please provide me your trip dates?

USER: Thank you for your positive response, I want to take off on 12/13 and please book my return ticket also on 12/15.

ASSISTANT: There is a flight available with Southwest airlines and the ticket costs you 200 only. Can I book the ticket for you?

USER: Please book this flight ticket for me.

ASSISTANT: Paul, your ticket is booked and your flight number is 1013.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe journey.