Hello.
user
Hello, how may I help you?
assistant
I am Kathleen Clark. Can you book a flight ticket in my preferable travel dates July, 30 and Aug, 1?
user
Sure, may I know your airport codes please?
assistant
HOU and AUS are my airport codes.
user
Do you have any other requirements?
assistant
I need a connecting flight and my return time should be at morning.
user
Ok, please wait for a while.
assistant
Please book my ticket in business class only.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
That's ok, no problem. Thank you.
user
My pleasure.
assistant