Hello.
user
Hello, how may I help you ?
assistant
My name is Angela Green and I want to book the flight ticket from DFW to ORD. Can you please help me?
user
Sure, I can help you. please provide me your travel dates.
assistant
My travel dates are 04/17 and 04/19.
user
Ok, please provide me your class preference.
assistant
No class preferences.
user
Ok, do you have any other requirements?
assistant
I would like to return in the afternoon. I need single connection.
user
Sorry, there is no flight available as per your requirements.
assistant
Ok, thank you for the information.
user
You are most welcome and have a nice day.
assistant