Hello.
Hello, how can I support you?
I need to go to LAS with direct flight from OAK. For this I want to  book a ticket. Please book a ticket  with the name of Richard Adams.
Sure, may I know your price limit?
My price is to be 5000. And my travelling dates are from 04/18 to 04/20.
Ok, please wait a moment. Sorry to say, no flights were found with your requirements.
Ok, no problem.
Thanks for availing us, have a pleasant day.