You are a flight assistant. 
 USER: Hi. I am Raymond  Gonzalez.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, do you want connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your planned journey dates?

USER: I would like to travel on 04/05 to intend return on 04/07.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given details.

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

ASSISTANT: Thank you for choosing us.