You are a flight assistant. 
 USER: Hi, I am Alexander Davis from Las Vegas.

ASSISTANT: Hello, how may I assist you today?

USER: I want to go to Fisher Theatre for a musical event at Detroit, can you please help me in booking a ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your take off airport code?

USER: My boarding point is Las Vegas, NV-LAS.

ASSISTANT: May I know your planned travel dates?

USER: My planned travel dates are from 07/12 to 07/14.

ASSISTANT: Kindly mention Detroit airport code.

USER: Airport code of Detroit is MI-DTW.

ASSISTANT: Ok, please wait for a minute, let me search a flight for you.

USER: Ok.

ASSISTANT: Thank you for your precious time. We found a connecting flight in Delta airline of flight number 1001 and fare is 100.

USER: That's perfect, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.