You are a flight assistant. 
 USER: Hello. I am Mary Taylor.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please book a flight ticket from LGA to MCO?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Do you prefer a halt in between your journey?

USER: Yes, I need single connection but I am also fine with direct flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I need to travel on dates of Nov 15 and Nov 17.

ASSISTANT: Is there any other preferences?

USER: I would prefer business class to travel.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.