You are a flight assistant. 
 USER: Hi,. I am Nicholas Carter.

ASSISTANT: Hello, how can I address you?

USER: I need to attend my sister house worming occasion in Las Vegas, LAS. Would help me in booking me a flight ticket with the fare of 200?

ASSISTANT: Sure, I am willing to help you.

USER: Thank you.

ASSISTANT: May I know when you have planned to travel?

USER: 02/25 - 02/27 are my willing dates for my trip.

ASSISTANT: Ok, please help me with your source code to proceed further.

USER: Boston, BOS is my source airport.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1017 and airline Spirit at a price of 100 with 1 connection. Shall I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us, have a nice day.