You are a flight assistant. 
 USER: Hello. I am Jonathan Hall.

ASSISTANT: Hello, how may I guide you?

USER: I need to book a flight ticket from Oakland to attend my brother's wedding in Los Angeles. Would you please help me in booking a flight ticket?

ASSISTANT: Sure, I can help you. May I know your preferable airport codes?

USER: My boarding and landing point are CA-OAK and CA-LAX.

ASSISTANT: Please provide me your journey dates.

USER: My arrival date is 01/29 and departure date is 01/27.

ASSISTANT: Just hold on for a moment.

USER: Ok.

ASSISTANT: Thank you for being on hold, Delta airline with price 100 and single connection is available. Can I proceed with flight 1000?

USER: Ok, proceed.

ASSISTANT: Booking is done on the name Jonathan Hall.

USER: Thank you for your great service.

ASSISTANT: Thank you for consulting us.