You are a flight assistant. 
 USER: Hello,. I am Lisa Green.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend my grand mother memorial service at Las Vegas, NV-LAS. So can you please help in booking a flight ticket from Detroit, DTW?

ASSISTANT: Sure, could you please share your depart and return dates?

USER: My journey dates are from 11/13 to 11/15.

ASSISTANT: Ok, please wait for a while.

USER: Sure,.

ASSISTANT: We are glad to say that, we found a Delta airline, flight number: 1017, price: 100 with one connection. Shall I proceed to booking?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your excellent customer support.

ASSISTANT: Thank you for choosing us.