You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Please help me in booking flight ticket from MSP to DTW.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: When would you like to depart and return?

USER: I want to start on Dec 04 and return on Dec 06.

ASSISTANT: May I know your good name please?

USER: My name is Janet Cater.

ASSISTANT: We found a American Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for reaching us.