You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Barbara Wilson. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from EWR to IAD?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to take off on 07/20 and return back on 07/22.

ASSISTANT: We are pleased to inform you that we have found a JetBlue airline, flight number-1000 connections-1 and price limit is 100.

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Your welcome.