You are a flight assistant. 
 USER: Hello. I am Barbara Carter.

ASSISTANT: Hello, can you please tell me how may I assist you?

USER: Could you please book a flight ticket from FL-MCO to IL-ORD?

ASSISTANT: Can you please tell me your travelling dates?

USER: My travelling dates are 04/21 and 04/23. I need 1 connection limit and price limit is 1000.

ASSISTANT: Here is a flight for you with flight number 1020 and price is 100. May I proceed with this flight?

USER: Please book this flight ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.