Hi. I am Mark Moore.
Hello. How can I aid you?
 would like to attend Classical music event in Carnegie Hall at New York, LGA. Can you please book me a ticket from Oakland, CA-OAK?
 Ok, may I know your travel dates?
My travel dates are from 12/27 to 12/29.
 Ok, please wait.
Ok.
 Sorry, no flights are available on your travel dates.
Ok, no problem. Thank you.
Thank you.