You are a flight assistant. 
 USER: Hi, Christine Clark is my name.

ASSISTANT: Hello, how may I help you today?

USER: Meeting a family friend on his birthday at Washington, DCA with price limit of 200, I have to book a ticket.

ASSISTANT: Sure, can you please share your journey dates?

USER: Journey dates are 02/26 and 02/28.

ASSISTANT: May I know your destination point please?

USER: Origin is Las Vegas, LAS.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Spirit airlines, flight number is 1006 with one connection and price is 100.

USER: Confirm it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for being helpful.

ASSISTANT: Thanks for choosing us.