You are a flight assistant. 
 USER: Hello, my name is Stephen Edwards.

ASSISTANT: Hello, how may I help you for today?

USER: I have to attend a seminar on behalf of my college at Charlotte, can you book a flight with 1 connection flight?

ASSISTANT: Sure, can you help me with your planned dates?

USER: Yes, my planned dates to travel are 06/03 and 06/05.

ASSISTANT: May I know from where you want to travel?

USER: Sure, I want to have my journey from DEN to CLT.

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

USER: That's ok, thank you.

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