Hello. I am Donald Davis.
user
Hello, how may I useful to you?
assistant
I want to travel to WA-SEA to attend  a conference. Can you book a direct flight?
user
Sure, we are here to help you Donald Davis. From where are you heading?
assistant
I will depart from CA-OAK.
user
Ok, please share me your journey dates.
assistant
My travel dates are 08/07 and 08/09.
user
Let me check the availability of direct flights.
assistant
Ok.
user
Sorry Donald Davis, we don't have direct flights of your dates.
assistant
Ok, no problem. Thank you for your help.
user
Thank you for reaching us.
assistant