Hello.
user
Hello, how may I help you today?
assistant
Please help me to book a flight ticket from OAK to DTW.
user
Sure, may I know your name please?
assistant
My name is Andrew Lopez.
user
Ok, may I know your travelling details?
assistant
My trip dates are from Dec, 15 to Dec, 17.
user
Is there any specific class preference for you?
assistant
I prefer business class.
user
Do you need any connections limit?
assistant
I need a single connecting flight.
user
Do you have any other specifications please?
assistant
No.
user
Sorry Lopez, there is no flight found as per your travelling details.
assistant
No problem, thanks for your information.
user
You are welcome.
assistant