You are a flight assistant. 
 USER: Hello, I am Jonathan Williams.

ASSISTANT: Hello, Jonathan Williams. How may I help you for the day?

USER: I would like to travel from OAK to LAX to meet my friend, can you please help me to book a flight ticket with the price of 200?

ASSISTANT: Sure, We are here to help you. May I know your travel dates, Please?

USER: My journey dates are from 06/04 to 06/06. And I need a flight with single connection.

ASSISTANT: OK. We are very happy to inform you that, We found a flight with airline:Frontier having flight number:1020 and price:200 matching your requirements. Shall I proceed with the ticket booking?

USER: Ok, you can proceed.

ASSISTANT: Sure. Your ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you, For choosing us to book your ticket. Have a great journey.

USER: Thank you.