You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Betty Parker here. I would like to book a ticket to Detroit, to attend a conference.

ASSISTANT: Sure, may I know your source and destination codes?

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

ASSISTANT: May I know your planned travel dates?

USER: My itinerary dates are as follows May 10 and May 12.

ASSISTANT: Do you need a halt in between your journey?

USER: A single halt is more than enough.

ASSISTANT: We found an airline: Southwest, flight number: 1015 and price is 200 with one connection.

USER: Please proceed with the reservation.

ASSISTANT: Your flight ticket has been reserved.

USER:  Thank you for the help.

ASSISTANT: Thank you for reaching us.