You are a flight assistant. 
 USER: Hello, My name is Shirley Garcia.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a ticket to Las Vegas, NA-LAS on Jul/30 from Las Vegas , NA-LAS on Jul/28. Could you please help me in doing this?

ASSISTANT: Sure, I will help you, do have any other request regarding to connection or price?

USER: My price limit is 200.

ASSISTANT: We found a flight as of your requirements, flight details are airline : AA, flight number : 1020 and price is 100. May I proceed for booking?

USER: Yes, Confirm the booking.

ASSISTANT: Your booking has been done.

USER: OK. Thanks for the response.

ASSISTANT: Thank you, have a good day.