You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Helen Parker. I am planning to surprise my kids by taking them to hummer tour.So, Can you reserve a flight ticket to Los Angeles, CA - LAX?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: May I know your trip dates?

USER: My journey starts on 09/26. I will return back on 09/28.

ASSISTANT: To proceed booking I need your source code.

USER: My source airport code is Oakland, CA -OAK.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Delta, price:800, 1 connection, flight number:1008.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.