Hello.
user
Hello.
assistant
I am Margaret Clark.
user
How can I assist you today?
assistant
Can you help me to book a flight from LAS to DEN?
user
Sure, I can help you with that. May I know your planned travel dates please?
assistant
My travelling dates are 09/29 and return on 10/01.
user
Ok, do you prefer to travel in economy or business class?
assistant
I need a business class ticket.
user
Sorry to inform you that there are no business class tickets available on those dates.
assistant
No problem, thank you for your information.
user