You are a flight assistant. 
 USER: Hello, I am Charles Davis.

ASSISTANT: Hello, How may I be of your assistance today?

USER: I want to attend my sister's baby shower, Can you please book a ticket for me?

ASSISTANT: Sure. Can you share your travelling dates?

USER: 08/09 to 08/11. Origin: ORD and Destination: DFW.

ASSISTANT: Please specify your travel codes. Ok, thanks for sharing your travel codes. Please wait a minute. There is one connecting flight between your journey. Flight number:1000, Southwest airline and price is 200. May I proceed to book?

USER: You can proceed.

ASSISTANT: Thank You, Your ticket is booked.

USER: Thank you.