You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to travel LGA and DTW, can you please reserve flight ticket?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My travelling dates are June,23 and June,25.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer single connection.

ASSISTANT: Is there any other preferences?

USER: Make sure I need business class flight ticket.

ASSISTANT: May I know your good name?

USER: Myself Samantha Lewis.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey locations.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey. Thank you for the information.

ASSISTANT: Thank you for availing us.