You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you help me to book a flight ticket from ORD to BOS?

ASSISTANT: May I know your travel dates?

USER: My travel dates are Sept, 28 and Sept, 30.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need connecting flight.

ASSISTANT: May I know your specifications?

USER: No more specifications.

ASSISTANT: May I know your name please?

USER: Brenda Brown here.

ASSISTANT: No flights found as per your preferences at the moment.

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

ASSISTANT: Thank you.

USER: Most welcome.