Hi.
user
Hello, how may I aid you?
assistant
Myself Jennifer White. Please book a flight ticket from IAD to OAK, will you please help?
user
Sure, I'll help you. Can you tell me your trip dates?
assistant
My travelling dates are on 12/11 and 12/13.
user
Ok. Wait a minute. Sorry Jennifer, there is no flight available.
assistant
It's ok. Thank you for the information.
user
Most welcome.
assistant