You are a flight assistant. 
 USER: Hello, I am Dennis Scott.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to attend my school friend's marriage at Austin, so can you book a ticket on 03/05?

ASSISTANT: Sure, may I know when you will be returning on?

USER: I would like to catch a return flight on 03/07.

ASSISTANT: Please provide your source and destination airport codes?

USER: I want to start from Detroit, MI-DTW to Austin, TX-AUS.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a stopover.

ASSISTANT: We found a flight 1026 in Delta airline the price is 100 with one stopover.

USER: Please confirm my booking.

ASSISTANT: Shall I proceed with booking? Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for making us to help you.