You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jessica Baker.

ASSISTANT: Nice meeting you Jessica.

USER: I would like to visit Las Vegas as there is a UNO summit regarding child labour, can you please book a flight ticket?

ASSISTANT: Sure, I can book the ticket. Can you provide your airport codes and dates?

USER: Sure, airport codes are DCA and LAS on dates of 04/22 and 04/24.

ASSISTANT: Wait for a moment.

USER: Sure, take a time.

ASSISTANT: There is a flight 1021 with AA airlines, is it ok for you?

USER: Ok, please confirm it.

ASSISTANT: Ok Jessica, your ticket is confirmed, have a happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome.