You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: I want to book a flight ticket from BOS to EWR. Could you help me in booking?

ASSISTANT: Sure, please share your trip dates?

USER: My travelling dates are from Mar 08 - 10.

ASSISTANT: Do you prefer a connecting flight?

USER: I prefer for direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Alexander Carter.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, no problem. Thank you.