Hello.
user
Hello, how can I aid you now?
assistant
I'm planning to attend a wedding, can you book a ticket from ORD to DEN?
user
Sure, I am glad to help you. May I know your planned dates?
assistant
Sure, my planned departure and return travel dates are 21st and 23rd of Dec.
user
Ok, please specify your name.
assistant
My name is Barbara Perez.
user
Do you prefer a connecting flight or a direct flight?
assistant
I prefer single connected flight.
user
Is there any other intent's to say?
assistant
Yes, I want to travel in economy class.
user
Sorry to say that, no flights are found based on your information.
assistant
That's ok, thank you for giving the information.
user
Thank you for contacting us.
assistant