Hello.
user
Hello, how can I aid you today?
assistant
Can you please help me to book a flight ticket from DEN to PHX?
user
Sure, when do you want to start and return on?
assistant
My travelling dates are Oct 2 to Oct 4.
user
Do you need a connecting flight?
assistant
I need a single connection of flight.
user
Do you have any other specifications?
assistant
I would like to prefer business class.
user
Can I know your good name?
assistant
George White.
user
Thank you for your details, there are no flights found with the given details.
assistant
No problem, thank you.
user
Thank you for opting us.
assistant