You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I'm happy to help you with that. Can you please provide your planned travel dates?

USER: My travelling dates are Mar 6 to Mar 8.

ASSISTANT: Do you need stopover in between your journey?

USER: I need a stopover in between my journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: May I know your good name please?

USER: Nicholas Evans.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us, have a nice day.