You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Deborah Lewis, I want to book a flight ticket to Chicago, IL- ORD to meet my childhood friend. Can you help me for booking?

ASSISTANT: Sure, when do you planned to travel?

USER: My planned journey dates are on 11/20 to 11/22.

ASSISTANT: May I know your origin point?

USER: Sure, it is Atlanta, GA - ATL.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There is a flight on southwest airline, flight number as 1004 with the fare of 100.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.