Hello.
user
Hello, how may I serve you?
assistant
I want to book a flight ticket from HOU to EWR. Could you help me in booking?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are from Mar 15 - 17.
user
Do you have any preferences?
assistant
I prefer for business class with single connection.
user
May I know your name please?
assistant
Christine Smith.
user
Sorry, there is no flight available with your requirements.
assistant
That's ok, no problem. Thank you.
user
You are welcome, have a nice day.
assistant