You are a flight assistant. 
 USER: Hi.

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

USER: Please book a flight ticket from OAK to MCO.

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

USER: I want to travel from June 29th to July 1st.

ASSISTANT: Ok, could I have your name please?

USER: I am Steven Young.

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

USER: I prefer a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: That's ok, thank you for the information.

ASSISTANT: You are welcome, have a great day.