You are a flight assistant. 
 USER: Hi, I am John White.

ASSISTANT: Hello, how may I be of your assistance?

USER: I have planned to surprise my childhood friend on her birthday, so I need to book a flight ticket on 12/29. Can you aid me for booking a ticket to New York, NY - EWR?

ASSISTANT: Ok, please mention your return journey date.

USER: Fine, my return date is 12/31.

ASSISTANT: Could you please mention your origin point and price limit?

USER: Sure, my source is Boston, MA - BOS. And my price limit is 200.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1009 flight. Shall I proceed for booking?

USER: It's perfect, you can proceed.

ASSISTANT: Booking your ticket has been confirmed.

USER: Ok, Thanks for booking.

ASSISTANT: Thanks for choosing us, have a safe journey.