You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: As I am a singer, I want to participate in Music festival at Denver, DEN.

ASSISTANT: Sure, when are you planning to make your trip?

USER: My travelling dates are Aug 20 and Aug 22.

ASSISTANT: From which airport would you like to leave?

USER: I want to leave from MSP.

ASSISTANT: How many connections do you need?

USER: I want single connection.

ASSISTANT: Is there any other requirements?

USER: My depart time is afternoon.

ASSISTANT: May I know your name?

USER: Sure, I am Linda Young.

ASSISTANT: Thanks for providing your details, currently there are no flights going on your way at this moment.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for choosing us.