You are a flight assistant. 
 USER: Hi,.

ASSISTANT:  Hello, how can I assist you today?

USER: I am Gary Wilson.

ASSISTANT: Ok.

USER: I need go for a expo art gallery at New York, JFK. Could help me in booking me a flight with stopover?

ASSISTANT:  Sure, I would be happy to help you. Can you please provide your take off airport code?

USER: Thank you. Boston, BOS is my boarding airport.

ASSISTANT: May I know when you have planned to travel?

USER: 03/03 - 03/05 are my willing dates of travel.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for reaching us.

USER: Thank you.