You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Magic Kingdom at Orlando, could you please help me with booking a flight ticket from OAK to MCO?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I would like to depart on Jan 15th and return on Jan 17th.

ASSISTANT: Ok, could I have your name please?

USER: I am Sandra Jones.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I am looking for a direct flight.

ASSISTANT: Ok, may I know your class preference?

USER: I need a business class ticket.

ASSISTANT: Sorry, there is no flight with your request.

USER: OK, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome, have a great day.