Hi, Stephanie Smith here.
user
Hello, how can I aid you today?
assistant
Can you please reserve me a flight ticket from PHL to SEA?
user
May I know your planned trip dates?
assistant
My trip dates are 08/09 - 08/11.
user
Do you have any airline preference?
assistant
I prefer to go by a normal  - cost.
user
Do you want to fly with economic class or business class?
assistant
I need an economy class.
user
Just hold on a moment.
assistant
Sure.
user
Unfortunately there are no flights found with your matching information.
assistant
No issues, thank you for your information.
user
Thank you for choosing us.
assistant