You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please reserve me a flight ticket from PHL to MSP?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My trip dates are 03/31 - 04/02.

ASSISTANT: Ok, do you have any specifications?

USER: I need a single connection.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Benjamin Williams here.

ASSISTANT: Sorry Benjamin Williams, there are no flights available on your requested dates.

USER: No issues, thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.