Hi.
user
Hello, how may I help you?
assistant
I want to book a ticket from ORD to LAS. Could you book a ticket?
user
Sure, may I know your trip dates please?
assistant
Departure is Mar, 30 and return date is Apr, 1.
user
Do you have any other requirements?
assistant
I would prefer direct flight.
user
Can I know your name please?
assistant
My name is Jerry Anderson.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Thank you.
user
Most welcome.
assistant