Hello,. I am Jason Brown.
user
Hello, How can I help you?
assistant
I need to book a direct flight ticket to attend my grand father funeral  services. Would you help in booking my flight ticket from Oakland, OAK?
user
Sure, May I know the destination code?
assistant
Washington, DCA is my destination airport.
user
Please help me with your travel dates.
assistant
03/09 - 03/11 are my dates of travel.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, not a problem. Thank you for prompt response.
user
Thank you for reaching us.
assistant