You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Kenneth Collins here.

ASSISTANT: Yes, Collins.

USER: I want to book a flight reservation on the route from DEN to MSP to meet my family, can you help me?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling date will be from 12/11 and I would like to return on 12/13.

ASSISTANT: Flight 10069 in Spirit air;lines is available for you with 1 connection. Shall I proceed?

USER: Ok, please book it for me.

ASSISTANT: Your booking is done with flight 1009.

USER: Thank you for making my reservation.

ASSISTANT: Welcome.