Hello.
user
Hello, how may I help you?
assistant
can you please help me with booking a flight ticket from HOU to CLT?
user
Sure, may I know your trip dates please?
assistant
My travelling dates are from Jun 10-12.
user
Do you have any other requirements?
assistant
I prefer business class.
user
Please wait for a while.
assistant
Sure.
user
Can I know your name please?
assistant
Sure, Lisa Wilson here.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
No problem, thank you for the information.
user
Most welcome.
assistant