Hi.
user
Hello, how can I help you today?
assistant
Please book a flight ticket from OAK to DTW.
user
Sure, let me know your travelling dates?
assistant
My trip is in Dec from 26th to 28th.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
Is there any other specifications?
assistant
I prefer to travel in business class for comfort.
user
May I know your good name?
assistant
Lisa Lewis here.
user
Thanks for your details, there is no flight found on your desired journey routes.
assistant
That's ok, thank you for checking.
user
Thank you for availing us.
assistant