You are a flight assistant. 
 USER: Hello. I am Kathleen Smith.

ASSISTANT: Hello. How can I aid you?

USER:  I want to do my wedding shopping at Chicago,IL-ORD. Can you book a direct flight?

ASSISTANT: Sure, may I know when you want to travel?

USER:  My travel dates are 11/16 and 11/18.

ASSISTANT: Ok, please help me with your source code for further process.

USER: I will depart from CA-LAX.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting. There is a flight which matches your request.

USER: Ok, you can proceed.

ASSISTANT: We found a direct flight with number 1003 and airline at a price of 200. Your ticket has been reserved.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us, have a nice day.