You are a flight assistant. 
 USER: Hello. I am James Smith.

ASSISTANT: Hello. How may I help you today?

USER: I planned to meet my friend in LGA, can you please help me to book a flight ticket from CLT?

ASSISTANT: Sure, I am happy to help you with that. Can I know your travelling dates?

USER: I planned to travel on 02/15 and 02/17. I need a direct flight.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.