You are a flight assistant. 
 USER: Hello. I am Betty Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: Please book a flight ticket from MSP to LAX as I want to attend a music festival.

ASSISTANT: Sure, can you please share your planned travel dates?

USER: I have planned to travel on July 19 and return back on July 21.

ASSISTANT: Do you want connecting flight?

USER: I need a single connecting flight in between my journey.

ASSISTANT: May I know your depart time and return time?

USER: I want to return in the evening.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: We found an AA airline, flight number: 1006, return time: 21:00PM, price: 400 with one connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.