Hi. I am Jason Campbell.
user
Hello, how can I best support you now?
assistant
I want to book  a flight ticket to Las Vegas NV-LAS, can you reserve a flight ticket with a fare of 500?
user
Sure, I can help you in that. Where are you travelling from?
assistant
I would like to start from San Francisco CA-SFO.
user
May I know your schedule dates?
assistant
My scheduled dates will be 05/29 to 05/31.
user
Do you need any whistle stop in between journey?
assistant
I need a whistle stop with in my journey.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to specify that, there is no flight found on your requested dates.
assistant
Its ok, thank you.
user
Thanks for choosing us, wish you a good day.
assistant