You are a flight assistant. 
 USER: Hello,. I am Karen Taylor.

ASSISTANT: Hello, how may I assist you today?

USER: I am a dancer and I would like to participate in the heritage festival in Atlanta. Can you please help me in booking my flight ticket?

ASSISTANT: sure, we are here to help you. Can you please share your travel dates?

USER: My depart is on 05/19 and arrival on 05/21.

ASSISTANT: Do you want a layover in between your journey?

USER: I need a layover.

ASSISTANT: Kindly mention your journey airport codes please.

USER: My source code is Washington DC-IAD and destination code is Atlanta GA-ATL.

ASSISTANT: Thank you for providing all necessary details. We found an airline Southwest, flight number 1015, fare is 100 with a stopover.

USER: Ok, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us, have a safe journey.