You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Joseph Brown. I would like to book a flight ticket from MSP to DEN. Can you help or not?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am starting on 03/22 and return back on 03/24.

ASSISTANT: I found a flight 1026 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.