You are a flight assistant. 
 USER: Hi,. I am James Lee.

ASSISTANT: Hello, how can I help you?

USER: I want for a round trip with my friends to enjoy in beer festival. Would be my helping hand in booking me a flight on 12/15?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when you want to return?

USER: I will return on 12/17.

ASSISTANT: Ok, please share your journey codes.

USER: My airport code for round trip is Detroit, DTW.

ASSISTANT: Ok, we found a flight with number 1029 and airline AA at a price of 100 with 1 connection. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assisting m.

ASSISTANT: Thank you for reaching us, have a nice day.