Hello. I am Alexander Nelson.
user
Hello, how may I oblige you today?
assistant
Please help me in booking a flight ticket from DTW to PHL.
user
When are you planning to make your journey?
assistant
My planning dates are from 08/19 till 08/21.
user
There is a connected flight in Spirit airlines with fare 800.
assistant
I prefer economy class flight.
user
No flights available in economy class.
assistant
That's ok, thank you for your information.
user
You are welcome.
assistant