You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Betty Carter here.

ASSISTANT: How may I assist you?

USER: Can you please check for the flights from PHL to ATL as I need to attend a meeting?

ASSISTANT: Sure, let me know your travel dates please?

USER: My journey dates are from Oct 29th to Oct 31st.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a single connection flight.

ASSISTANT: Do you need any other specifications?

USER: I need a business class reservation only.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight services found on your routes.

USER: Oh! That's fine. Thank you for checking.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Most welcome.