You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Timothy Lee, I have to my friend house warming event on 11/09. Can you book a ticket for me?

ASSISTANT: Sure, Timothy Lee, we will help you. Could you please ensure your journey codes?

USER: Yes, my preferable airport codes are as Charlotte, NC - CLT and Chicago, IL - ORD.

ASSISTANT: Ok, May I know your return date please?

USER: My return must be on 11/11.

ASSISTANT: Ok, please hold on for a couple of minutes.

USER: OK.

ASSISTANT: Thanks for your time, we are happy to inform you that we found an AA plane of 1023 number. The fare of  a ticket is 100 with a single connection.

USER: Please go for booking.

ASSISTANT: Ok, your ticket has been processed successfully.

USER: Thank you for providing assistance.

ASSISTANT: My pleasure to help you, have a safe journey.