You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Help me to book a ticket.

ASSISTANT: Sure, can you please provide me your journey details?

USER: Sure,. I need a flight from Detroit, MI-DTW on Mar 2. I need a return ticket from Denver,CO-DEN on Mar 4.

ASSISTANT: OK, can you please mention you name?

USER: Debra Johnson.

ASSISTANT: Do you have any dates of travel? Please wait, I will check and get back to you.

USER: OK.

ASSISTANT: Thank you for your time. We found a Delta airline with flight number 1012 and price limit of 200 matching your details. Do you want me to proceed for booking?

USER: Can you provide me connection limit of this flight?

ASSISTANT: Yes, it has only one connection limit.

USER: OK, book a ticket in this flight.

ASSISTANT: Sure, your ticket has been booked. Thank you and have a nice day.

USER: Thank you for your assistance.