You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: My name is Thomas Miller.

ASSISTANT: How can I assist you today?

USER: I want to book a flight ticket from Seattle, WA - SEA to Las Vegas, NV - LAS to celebrate my son birthday in Luxor hotel.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My departure day is 01/29, return day is 01/31.

ASSISTANT: May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Southwest, flight number: 1002 with a single connection and price is 100.

USER: Ok, you can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thanks for choosing us.