Hi, I am Thomas Lopez.
user
Hello. How can I help you?
assistant
Can you please help me with booking a flight ticket from Las Vegas with price 500?
user
Sure, I will help you.
assistant
Ok.
user
Can I have your depart date?
assistant
Depart date is 02/16.
user
Could you please share the airport codes of your source and destination?
assistant
Airport codes are LAS and SEA.
user
Let me know your return date to proceed further.
assistant
Return date is 02/18.
user
Thank you for sharing the details. We found a  direct flight of UA airline that running on your route with fare 200. Shall I proceed with booking?
assistant
You can proceed with booking.
user
Your ticket has been confirmed.
assistant
Thanks for the help.
user