You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Benjamin Miller here. Please help me out in booking the ticket from BOS to JFK.

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates will be 10/11 to 10/13.

ASSISTANT: Let me know your connection limit?

USER: Flight has to be with single connection.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: My return time must be in the afternoon.

ASSISTANT: Ok, no flights found with your requested details.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.