You are a flight assistant. 
 USER: Hi. I am David Wilson.

ASSISTANT: Hello. How can I assist you at this moment?

USER: As I am a farmer, there is a meeting about the price of products which we use in fields, can you book a ticket as I need to attend the meeting urgently in Washington-DCA Farmer Market?

ASSISTANT: Ok, sure I hope you get your desired price. Can you please tell me your Source code?

USER: My origin airport code is CLT.

ASSISTANT: May I know you departure date?

USER: My landing date is 12/18. My departure date is 12/16.

ASSISTANT: Ok. I found a flight with number 1014 and connection limit 1, here is flight ticket price 100. Ok, your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome.