You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I'm planning to visit Orlando, can you book a ticket from HOU to MCO?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned departure and return travel dates are 17th and 19th of February.

ASSISTANT: May I know your name to proceed further?

USER: My name is Gary Roberts. I prefer single connected flight.

ASSISTANT: Sorry  Gary Roberts, there is no flight in your route as per your request.

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

ASSISTANT: Thank you.