You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking flight ticket from BOS to EWR?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are Nov 10 and Nov 12.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER:      No.

ASSISTANT: May I know your name to proceed further?

USER: My name is Sandra Davis.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for contacting us.