Hi,.
user
Hello. May I know your good name, Please?
assistant
Gregory Moore is my name.
user
How can I help you for the day?
assistant
Please book a ticket to San Francisco, CA-SFO from Washington, DC-IAD for sports event.
user
OK. May I know your travel dates, Please?
assistant
Travel dates are 01/26 to 01/28.
user
We are very sorry to inform you that, There are no flights available for your travel dates.
assistant
Thanks for the help.
user