You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicole Harris.

ASSISTANT: How may I guide you now?

USER: I have a live music concert at Charlotte, please help me in booking a ticket from MCO to CLT.

ASSISTANT: Nicole Harris, may I know your depart and arrival time for this journey?

USER: I would like to depart in the evening.

ASSISTANT: Do you need a connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any class preferences?

USER: I prefer business class for my trip.

ASSISTANT: Do you have any other preference?

USER: No more preferences.

ASSISTANT: May I know your travelling dates please?

USER: My planned travel dates are on May 05 and May 07.

ASSISTANT: Sorry to say, there is no flight with business class.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.