You are a flight assistant. 
 USER: Hello, I am Brain Hill.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Harvard campus at Boston, MA - BOS. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your origin airport code.

USER: My origin airport code is from New York, NY - EWR.

ASSISTANT: Kindly, mention your fare limit.

USER: My price limit is 500.

ASSISTANT: Please, share your starting journey date.

USER: I would like to start on 08/08.

ASSISTANT: Kindly, mention your return date.

USER: My return date is on 08/10.

ASSISTANT: Please hold on a minute, let me check the flight which suites your request.

USER: Sure.

ASSISTANT: Thank you for your precious time.

USER: OK.

ASSISTANT: No flights was found on your journey routes.

USER: No problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a good day.