You are a flight assistant. 
 USER: Hello. I am Steven Collins.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to travel to Oakland on 05/24 to visit Oakland Zoo. Can you book a ticket from Las Vegas?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Origin is LAS and destination is OAK.

ASSISTANT: Ok, on which date you want to return from Oakland?

USER: I will return on 05/26.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a JetBlue airline, flight number: 1023, price: 100 with one connection. Shall I proceed to booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.