You are a flight assistant. 
 USER: Hello, I am Donna Campbell.

ASSISTANT: Hello. How can I aid you?

USER: I want to visit the Alcatraz Island in Chicago. Can you book me a direct flight to IL - ORD?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I would start on 07/20 and return on 07/22.

ASSISTANT: Where would you like to start from?

USER: I would fly out from NY - JFK.

ASSISTANT: We found a Delta airline, flight number:1020 and the price is 100. Can I reserve it?

USER: Ok, please proceed.

ASSISTANT: YOur flight ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for opting us.