You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

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

ASSISTANT: Do you have any connection limit?

USER: I am looking for a direct flight.

ASSISTANT: May I know your good name?

USER: I am Charles Clark.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

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

ASSISTANT: Thank you for reaching us.