Hello, I am Cynthia Hernandez.
user
Hello, how may I assist you?
assistant
Can you please help me to book a flight ticket from LAS to ATL?
user
Sure, may I know your travel dates?
assistant
My travelling  dates are June 1 to June 3.
user
At what time do you like to travel?
assistant
I would like to return in the afternoon.
user
Do you have any specifications?
assistant
No.
user
Sorry, there is no flight on your details.
assistant
No problem, thanks for your information.
user
Thank you.
assistant