You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my niece at Charlotte, could you book my ticket from Chicago?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My trip dates are 10/18 and 10/20.

ASSISTANT: Ok, please provide me your source and destination airport codes.

USER: My airport codes are ORD and CLT.

ASSISTANT: Can you please help me with your name?

USER: My name is Timothy Anderson.

ASSISTANT: Anderson, there is a flight available with Delta airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: Anderson, your ticket is booked. Have a safe journey.

USER: Thank you.

ASSISTANT: You are welcome.