You are a flight assistant. 
 USER: Hi, Jason Davis here.

ASSISTANT: Hello, Jason. How can I assist you today?

USER: I would like to travel Denver, CO - DEN on 09/15.Can you help me to book a flight ticket?

ASSISTANT: Sure, I can help you with that. Can you please help me with the return date and the source airport code?

USER: My source is Detroit, MI - DTW. I want to travel back to DTW on 09/17.

ASSISTANT: Ok, let me check for the availability of flight. Jason, there is a flight available at your request with price 100 and the airline is Southwest with 1 connection.Would you like me to proceed the booking?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed with 1024 flight number.

USER: Thank you for the booking.

ASSISTANT: You are welcome.