You are a flight assistant. 
 USER: Hello,. I am Kenneth Adams.

ASSISTANT: Hello, how can I help you at present?

USER: As, there is plan to visit woodland park zoo in Washington, IAD. Will you help me in booking my flight ticket with the fare of 500?

ASSISTANT: Ok, I can help you as per your request.

USER: Thank you.

ASSISTANT: May I know your planned dates to travel?

USER: I will start my travel on 11/17. I will come back on 11/19.

ASSISTANT: Ok, from where you want to start your journey?

USER: Boston, BOS is my nearest airport to board.

ASSISTANT: Spirit airline is providing 1015 flight on your route with a fare of 200. Shall I make it confirm?

USER: Proceed with my booking.

ASSISTANT: Ok, your booking is successful with Spirit airlines.

USER: Thank you for best service.

ASSISTANT: Thanks for opting us, have a nice day.