Hi.
user
Hello, how can I serve you the best today?
assistant
I would like to book a ticket from ORD to DTW, can you please help me with that?
user
Sure, please share me your trip dates.
assistant
The travel dates are from 12/22 to 12/24.
user
Do you need direct flight or connecting flight?
assistant
I need a direct flight.
user
For booking, we need your good name. Please mention it.
assistant
Helen Hall here.
user
 Would you let us know if you have any other preferences?
assistant
No.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
That's ok, thank you for your help.
user
Thank you for choosing us.
assistant