You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to search a flight from Boston, MA-BOS?

ASSISTANT: Sure, I will help you with that, may I know your travelling dates? Please share your destination airport codes?

USER: Thank you, the travelling dates are 10/14 to 10/16. The destination airport code is NY-EWR.

ASSISTANT: Sorry, no flights as per your details. May I know your name please?

USER: Ok, no problem. My name is Mark Wright.

ASSISTANT: Mark, thank you for reaching us.

USER: Thank you for your information.