You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephen Young. I am planning to visit some new places at Orlando, help me in booking my flight ticket with one halt.

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates will be 12/26 to 12/28.

ASSISTANT: May I know your airport codes?

USER: I would like to start my journey from TX-DFW. My landing airport will be FL-MCO.

ASSISTANT: Thanks for providing your details. Unfortunately there are no flights found with your requirements.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thank you for choosing us.