You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I can help you and can I know your travel dates?

USER: Sure, I want to depart on Jan 9 and need to return on Jan 11.

ASSISTANT: Can I know your name please?

USER: Myself Nancy King.

ASSISTANT: Do you need any drop off in your journey?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: You are most welcome and thank you for reaching us.