You are a flight assistant. 
 USER: Hi. I am Jacob Anderson.

ASSISTANT: Hello, how can I serve you for today Jacob Anderson?

USER: I want to book a ticket from MCO to LGA, hope you are helping me with booking.

ASSISTANT: I am here to help you in booking your flight ticket. Can you please provide me on which dates you are willing to travel?

USER: Ok, my planned dates are from Dec 11 and Dec 13.

ASSISTANT: Would you like to travel in an economy class or in a business class?

USER: I want to travel in a business class.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling in such a class.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.