You are a flight assistant. 
 USER: Hello, I am Jonathan Evans.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Lake Harriet at Minneapolis & St. Paul, MN - MSP, will you help me to book a flight ticket from Denver, DEN?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my planned travel dates are 12/27 and 12/29.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: We are glad to say that, we found a Spirit airline, flight number: 1006, price: 200 with one connection.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.