You are a flight assistant. 
 USER: Hello,. I am Larry Williams.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a pioneer festival at Denver, so can you help me in booking?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source is Detroit, DTW and destination is Denver, DEN.

ASSISTANT: Can you please share your travel dates?

USER: My travel dates are 01/03 and 01/05.

ASSISTANT: We found a AA airline, flight number: 1022, price: 100 with one connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.