Hello.
user
Hello, how may I help you?
assistant
I want to watch tennis match at New York, so please book my ticket from Denver.
user
Sure, may I know your trip dates?
assistant
My itinerary dates are May 8 and May 10.
user
Can I know your destination airport code please?
assistant
My terminus airport code is LGA.
user
Do you have any other requirements?
assistant
I prefer to travel in business class.
user
Can I know your name please?
assistant
Richard Lopez here.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
No problem, thank you.
user
Most welcome.
assistant