Hello.
user
Hello, how may I serve you?
assistant
I am looking for a flight from DEN to HOU, can you help me in booking?
user
Sure, I will help you. Please send your travelling dates.
assistant
Sure, my planned travel dates are Oct 08 and Oct 10.
user
Do you have any class preference?
assistant
I need a flight in a business class.
user
May I know your name?
assistant
Myself Ronald Carter.
user
Sorry, there is no flight available with your requirements.
assistant
That's ok, no problem. Thank you for the information.
user
You are welcome, have a nice day.
assistant