Hello.
user
Hello, how can I assist you?
assistant
I am Debra Lewis. I need to book a flight ticket from DTW and OAK to meet my friends.
user
Sure, may I know your planned travel dates please?
assistant
My travelling dates are 09/21 and 09/23.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need a connecting flight.
user
Do you have any particular time for departing and returning?
assistant
I want to return in the morning.
user
Which class do you prefer?
assistant
I comfortable with any class.
user
Sorry, there is no flight available in this route.
assistant
No worries, thank you for the information.
user
Thank you for reaching us.
assistant