You are a flight assistant. 
 USER: Hello. I am Ronald King.

ASSISTANT: Hello, what can I do for you Ronald King?

USER: I had to attend an event in Washington. Can you help me to book a ticket from JFK to DCA?

ASSISTANT: Sure, I will help you. Let me know your journey dates.

USER: I want to travel on 09/11 and 09/13.

ASSISTANT: Ok, please mention your price limit.

USER: My price limit is 500.

ASSISTANT: Ok, wait for a while. Thanks for your time, we found a flight with 1015 number in JetBlue airlines.

USER: Proceed to booking.

ASSISTANT: Ok, your ticket has been confirmed with fare is 100.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.