You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Will you please aid me in booking a flight ticket from BOS to MSP?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned travel dates are Nov 29th and Dec 1st.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a connecting flight.

ASSISTANT: May I know your good name please?

USER: Linda Roberts.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.