You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Moore.

ASSISTANT: How can I help you?

USER: I have to meet my project manager in Detroit, can you please search a flight ticket for me which is a round trip?

ASSISTANT: Sure, can you please let me know the dates of your trip?

USER: Ok, my travelling dates are 10/27 and 10/29.

ASSISTANT: May I know your regional airport codes?

USER: As this is a round trip, so the airport codes are DTW.

ASSISTANT: Thank you for being on hold. Yes, there is a flight with a less cost of 100 but there is stop over between your journey provided by AA airlines. If you ok with this, please inform me to book the flight ticket.

USER: That's great, please confirm the flight ticket for me.

ASSISTANT: Ok, the ticket booking is done.

USER: Thank you for booking the flight ticket.

ASSISTANT: Welcome.