Hi, I am Lisa Parker.
user
Hello, how can I help you?
assistant
I want to book a direct flight as I have an emergency case to deal with. Please help me out.
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your travel dates?
assistant
My travelling dates are from 08/11 to 08/13.
user
Where you need to catch the flight and land?
assistant
I want to fly from ATL to OAK.
user
Sorry to inform you that, no flights are available with your request.
assistant
No issues, thanks for the information.
user
Thank you for choosing us.
assistant