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

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight with price limit with in 1000, Can you help me for booking a flight ticket?

ASSISTANT: Sure, may I know your journey points?

USER: My source point is FL-MCO to destination point is TX-DFW.

ASSISTANT: may I know your preferable dates of travel?

USER: I would like to travel on 01/19 to 01/21.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a direct flight. The price is 100, Delta airline, flight number is 1015. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us, have a safe journey.