Hi, I am Andrew Lee.
Hello, how may I aid you?
I need to attend a function which is organised in Oakland OAK on 10/12. Could you please book a ticket from Las Vegas LAS.
Sure, for further process can you please provide your source point and return date?
I intent to return from Oakland to Las Vegas on  10/14.
Please share your journey code. Ok, please stand by I will check and revert you.
Sure.
Thank you for waiting, we found a flight matching your details.
May I know the flight  details ?
Yes, flight number 1014 with Delta airline at a price of 100.
You can proceed with booking.
Ok, your booking is confirmed. Have a safe journey.