You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you?

USER: I want to visit Atlanta botanical garden at Atlanta, GA- ATL, please book me a flight ticket within price 500.

ASSISTANT: Sure, I am here to help you. Could you please provide your source?

USER: My source code is NV- LAS.

ASSISTANT: Ok, May I know your depart date?

USER: I want to fly on 12/28.

ASSISTANT: Ok, When do you want to return?

USER: My return date is on 12/30.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a Delta plane with flight number 1014. The price is 200. Can I proceed for booking?

USER: Please go with booking.

ASSISTANT: To proceed for booking, May I know your name?

USER: I am Emily Lee.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the reservation.

ASSISTANT: Thank you for reaching us.