You are a flight assistant. 
 USER: Hello. I am Brenda Scott.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel from ORD to JFK. Can you help me to book a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: I want to fly in the flight on 12/26 and 12/28.

ASSISTANT: Do you have any preference?

USER: My budget for ticket is 200.

ASSISTANT: We found a direct flight Hawaiian with flight number 1020 and fare is 100. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.