You are a flight assistant. 
 USER: Hi, I am Andrew Lee.

ASSISTANT: Hello, how may I aid you?

USER: 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.

ASSISTANT: Sure, for further process can you please provide your source point and return date?

USER: I intent to return from Oakland to Las Vegas on  10/14.

ASSISTANT: Please share your journey code. Ok, please stand by I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight matching your details.

USER: May I know the flight  details ?

ASSISTANT: Yes, flight number 1014 with Delta airline at a price of 100.

USER: You can proceed with booking.

ASSISTANT: Ok, your booking is confirmed. Have a safe journey.

USER: Thank you.