Hello.
user
Hello. How can I aid you today?
assistant
I am looking to book a flight ticket from BOS to IAH. Can you help me for that?
user
Sure, I am here to help you. May I know your travel dates please?
assistant
My travelling dates are Mar 27 and Mar 29.
user
Ok, do you have any specifications?
assistant
I prefer to book a business class.
user
May I know your name please?
assistant
My name is Gary Clark.
user
Sorry Gary Clark, there are no flights available on your requested dates.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for choosing us. Have a great day.
assistant