Hello.
user
Hello, how may I help you?
assistant
I am Helen Parker. Can you please help me in booking a flight ticket to IAD from OAK?
user
Sure, please provide your trip dates.
assistant
My planned dates are from Nov 28 to Nov 30.
user
Ok, can you please tell me if you have any preference?
assistant
Make sure that depart time should be in the morning. I need a single connecting flight.
user
Ok, please wait a minute.
assistant
Ok.
user
Sorry Helen, there is no flights available in the morning.
assistant
Ok, no problem.
user
Most welcome.
assistant
Thank you.
user