Hi.
user
Hello, how can I aid you?
assistant
I want to go to Las Vegas, NV-LAS from NY-EWR, can you please book me a ticket?
user
Sure, please let me know your travel dates.
assistant
My travel dates are from 08/21 to 08/23.
user
Can I have your name please?
assistant
I am Jack Lewis.
user
Sorry for the inconvenience, there are no flights with your requirement.
assistant
Ok, no problem. Thank you.
user
Have a nice day.
assistant