You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Young.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I would like to depart on Feb 9th and return on Feb 11th.

ASSISTANT: Do you have any preferences?

USER: I need a business class in connecting flight.

ASSISTANT: Thanks for your details. There are no flights found on your data.

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

ASSISTANT: Thank you.