You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Nicole Harris. I am planning to book a ticket from ORD to JFK. Can you please help me out?

ASSISTANT: Sure, may I know your travel dates for booking your ticket?

USER: I would like to travel on 04/04 and return back on 04/06.

ASSISTANT: How much you can afford for this ticket?

USER: My price limit is 1000.

ASSISTANT: Sorry we could not found any flight on your details.

USER: That's fine.

ASSISTANT: Thank you.

USER: Thank you for your help.