You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Nicholas Wright. I am planning to book a ticket from IAD to CLT. Can you please help me out to book a flight ticket for me?

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

USER: These are my travelling dates 09/05 and return back on 09/07.

ASSISTANT: There is a direct flight available on your requested dates from AA airlines. Shall I confirm your booking?

USER: Can you check with 1 connection flight for me?

ASSISTANT: Sorry, there is no flight available for your request.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome.