Hello. I am Karen Perez.
user
Hello, how can I help you?
assistant
I am looking to reserve a flight ticket for me from Las Vegas. Can you please find a business class flight?
user
Sure, I will help you.
assistant
Thank you. My planned travel dates are Aug  01 and Aug 03.
user
Sure, please specify your airport codes.
assistant
The nearest source and destination airport codes  are Las Vegas-LAS and Los Angeles-LAX.
user
Please wait a while.
assistant
Ok, take your time. Please search a flight which is returning in the morning time.
user
There is no flight on your preferred travel dates.
assistant
It's ok, not a problem with that. Anyways thank you for checking the flight availability.
user
Thank you for opting us.
assistant