Hello, I am Deborah Perez.
user
Hello,. How may I help you?
assistant
I am planning to attend press conference in CA - OAK, can you help me with booking a direct flight ticket?
user
 Please provide your travelling dates.
assistant
My travelling dates are from 10/17 to 10/19.
user
Please mention your boarding airport code.
assistant
My boarding point is DC - IAD.
user
No flights found.
assistant
No problem, thank you for the information.
user
Thanks.
assistant