You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from DEN to MSP, can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am travelling on these dates Dec 1st and 3rd.

ASSISTANT: Ok, please tell your connection limit preference.

USER: I need a direct flight..

ASSISTANT: Ok, may I know your name?

USER: Matthew Edwards here.

ASSISTANT: Sorry to inform you, there are no flights found in this route.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for choosing us.