Hello.
user
Hello, how may I help you?
assistant
I am planning to book a flight ticket to PHL from IAH, can you please help me out?
user
Sure, may I know your trip dates please?
assistant
Sure, my planned travelling dates are Mar 02 and Mar 04.
user
Can I know your name?
assistant
Sure, my name is Charles Anderson.
user
Do you have any other requirements?
assistant
Yes, I prefer business class.
user
Ok, please wait for a while.
assistant
I am looking for a flight with 1 connection.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
My airline must be in normal cost. It's ok, thank you for the information.
user
Most welcome.
assistant