Hello.
user
Hello, how can I help you today?
assistant
I want to attend a food festival at Las Vegas. Can you book a flight ticket from OAK to LAS?
user
Sure, can I have your name please?
assistant
David Lewis here.
user
Thank you, let me know your travel dates?
assistant
Sept, 21 and Sept, 23 are my planned travel dates.
user
Do you have any connection limit?
assistant
No, I need direct flight.
user
Any class preference?
assistant
Yes, I prefer to economy class.
user
Sorry David Lewis, no flights found with your given details.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant