You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this minute?

USER: I want to travel from CLT to MSP. Can you help me to book a flight ticket?

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: I want to travel in the flight on Sept 19 and Sept 21.

ASSISTANT: May I know your name?

USER: Michael Rodriguez.

ASSISTANT: Do you have any other requirements?

USER: I want to return in morning time.

ASSISTANT: Ok, wait for a minute.

USER: I want to travel in a connecting flight.

ASSISTANT: We are regret to say that, there are no flights available based on your journey details.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for approaching us.