You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, I will help you with that, please share your travelling airport codes?

USER: Thank you, the source code is from NY-EWR and the destination airport code is MA-BOS.

ASSISTANT: Ok, can you share your preferable journey dates?

USER: The preferable dates are 02/21 to 02/23.

ASSISTANT: May I know your name please?

USER: Sure, my name is Shirley Collins.

ASSISTANT: Collins, sorry for the inconvenience, no flights as per your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.