You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Cobo centre which is located in Detroit and organise an event for orphan children who stays in DTW. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are June 15 and 17.

ASSISTANT: Ok, do you have some other requirements?

USER: I prefer to have a break in my journey.

ASSISTANT: Ok, please share your current location airport code.

USER: My current location is from Charlotte, CLT.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in UA airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please reserve the flight ticket in the name of Justin Mitchell.

ASSISTANT: Your ticket is booked in 1021 flight.

USER: Thanks for your kind service.

ASSISTANT: Most welcome.