You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I render you today?

USER: Could you please book a flight ticket to Las Vegas, LAS from Detroit, DTW?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when are you willing to start and return from trip?

USER: I want to start on 09/08 and return back on 09/10.

ASSISTANT: Please share your name.

USER: My name is Brian Taylor.

ASSISTANT: Ok, Thanks for sharing the details.

USER: Ok.

ASSISTANT: We found UA airline which matches your request. Flight number is 1025, it has a connecting flight and ticket costs 100. Can I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you.