You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Larry Roberts. Please book a flight ticket from Washington, IAD to New York,JFK.

ASSISTANT: Sure, May I know your scheduled dates of your travel?

USER: My travelling dates are from 09/08 to 09/10.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can pay up to 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1021 Spirit plane with a fare of 100. Can I proceed for booking?

USER: Ok, You can proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.