You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Christopher Turner. I want to attend a party in Chicago, could you help me in booking the ticket?

ASSISTANT: Sure, I can help you with that. Please provide the airport codes?

USER: It's from LAX to ORD.

ASSISTANT: Ok, please let me know the dates?

USER: The dates of travel are from 05/28 to 05/30.

ASSISTANT: There is a flight 1004 available for you on your requested dates. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked with AA airlines.

USER: Thank you for your time.

ASSISTANT: Thank you, have a good day.