You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Rachel Garcia, planning to go for a round trip from DTW. Can you help me to book a flight?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please to check availability of flight on your dates?

USER: My travelling dates are 12/15 and 12/17.

ASSISTANT: Do you want any stop over in between your journey?

USER: Yes, I need a stop over flight.

ASSISTANT: Yes, there is a flight in Delta airlines which is running in afternoon time only. Is it ok for you?

USER: Yes, proceed with booking.

ASSISTANT: Ok Rachel Garcia, your ticket booking has done and the flight number is 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.