You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Catherine Phillips here. I want to watch baseball game at Austin, so please book my ticket from Detroit.

ASSISTANT: Sure, may I know your airport codes?

USER: My genesis and terminus airport codes are DTW and AUS.

ASSISTANT: Can you please your depart and return dates?

USER: My itinerary dates are Sept 24 and Sept 26.

ASSISTANT: Do you need halt in between your journey?

USER: I need 1 halt.

ASSISTANT: Do you have any other requirements?

USER: I want to return from Austin in the morning.

ASSISTANT: Ok, we found a Spirit airline, flight number: 1008, price: 100 with one connection.

USER: Please book my ticket.

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

USER: Thank you for your service.

ASSISTANT: Thank you.