You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in flight ticket booking process from LGA to MCO?

ASSISTANT: Sure, please share your journey dates?

USER: Thank you for your response, I want to take off on Dec 16 and book my return ticket also on Dec 18.

ASSISTANT: Do you have any specifications?

USER: I want to travel in business class flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Christine Young.

ASSISTANT: Sorry, no flights found on your given details.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.