You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket from MCO to BOS.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Mar 14 and Mar 16.

ASSISTANT: Do you have any class preference?

USER: I need a ticket in business class.

ASSISTANT: Do you have any other specifications on your trip?

USER: I want a connecting flight.

ASSISTANT: Please share your name.

USER: My name is Anthony Collins.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry to inform you that we don't have any flight available on given dates from you.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.