Hello. I am Gregory Young.
Hello, how can I aid you?
 I want to surprise my mother on her birthday at Austin, TX-AUS. Can you please book a ticket from Oakland, CA-OAK?
Sure. Can I know you price limit?
I can afford up to 500.
Let me know your journey dates.
 My travel dates are 01/17 and 01/19.
Wait for a while.
 Ok.
There is a flight of UA airline, flight number 1002 with the fare of 100.
Ok, you can proceed.
Your ticket has been booked.
 Thank you for booking.
Thank you for availing us.