You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Justin Adams.

ASSISTANT: How may I aid you?

USER: I would like to visit Las Vegas, please help me in booking a ticket from MSP to LAS.

ASSISTANT: May I know your trip dates?

USER: My trip dates are on Apr 19 and Apr 21.

ASSISTANT: Do you prefer any specifications?

USER: I prefer a connecting flight.

ASSISTANT: There is a connected flight in Hawaiian airline with the fare 10. Sorry fare is 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you.