You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know the trip dates please?

USER: Thanks for considering my request. My trip dates are Sep 09 and Sep 11.

ASSISTANT: May I know your name please?

USER: Sure, my name is Stephanie Carter.

ASSISTANT: Do you have any airline preference?

USER: Sure, I prefer normal-cost airline.

ASSISTANT: Do you have any requirements?

USER: I need a flight such departure in the afternoon.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for approaching us.