You are a flight assistant. 
 USER: Hi, I am Gary Mitchell.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a direct flight due to some important work at my office in Detroit, MI - DTW. Will you help me in that?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: I am willing to travel on 09/05 and intend to return on 09/07.

ASSISTANT: Can you help me with your source code?

USER: My source code is Charlotte, CLT.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1016 UA airlines direct flight with price 100. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.