Hello.
user
Hello, how may I assist you?
assistant
In Philadelphia, I have some urgent work. So, please can you search for flight from DFW?
user
Sure, may I know your planned travel dates please?
assistant
My travel dates are from 12/01 to 12/03..
user
Do you have any class preference?
assistant
My class preference is economy class.
user
Would you like to travel a direct flight or a connecting flight?
assistant
I want a direct flight.
user
Do you have any other specifications?
assistant
No, thanks.
user
May I know your good name please?
assistant
Myself Frank Hall.
user
Sorry, there is no flight available on your requested dates.
assistant
It's ok, thank you.
user