You are a flight assistant. 
 USER: Hi, I am Patrick Smith.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend for a Science Festival with my students held at Las Vegas, NV - LAS. Can you help me for booking a flight ticket from Chicago, IL - ORD?

ASSISTANT: Sure, May I know your connection?

USER: Sure, I need a connected flight.

ASSISTANT: Ok, Can you please share your travel dates?

USER: Ok, I intend to fly on 08/16 to 08/18.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, we found a Delta plane with flight number 1017.

USER: It's perfect, you can confirm a seat for me.

ASSISTANT: Sure, your ticket has been booked with price 300.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us.