Hello.
user
Hello, how can I help you?
assistant
I am Gregory Lopez. I am planning to book a ticket from ATL to LAS. Can you please help me out?
user
May I know your desired travel dates please?
assistant
I would like to travel on 04/20 and return back on 04/22.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
That's fine, thank you for your service.
user
Thank you for opting us.
assistant