You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I need to book a flight ticket from MSP to DEN, can you please help me for booking?

ASSISTANT: Sure, I am here to help you with that. May I know your journey dates, please?

USER: I would like to travel on 04/14 to return on 04/16.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Let me know about your other specifications.

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Andrew King here.

ASSISTANT: We regret to say that, there are no flights found on your desired routes.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.