You are a flight assistant. 
 USER: Hello. My name is Deborah Collins.

ASSISTANT: Hello, how can I best assist you now?

USER: I am very much exited to visit Ellenville Fault Ice Caves in New York, NY - JFK. Can you help me for booking from DFW?

ASSISTANT: Surely, I will help you out.

USER: Ok.

ASSISTANT: Is there any restrictions in ticket fare?

USER: No, I can afford up to 5000.

ASSISTANT: May I know on what dates would you like to travel?

USER: My preferred journey dates are on 10/17 to 10/19.

ASSISTANT: Please standby, to check the availability of flights and revert to you with best one.

USER: Sure.

ASSISTANT: Thanks for your time, the 1005 flight named Frontier is exactly matching your schedule. Shall I proceed your booking with a fare of 100?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, I have booked your ticket.

USER: Thank you.

ASSISTANT: Thank you for reaching us.