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

ASSISTANT: Hello, how may I render you?

USER: I would like to visit one of the historical places in Las Vegas.So I would like to book a flight ticket.

ASSISTANT: Ok.

USER: Can you please assist me in booking a flight ticket with price 500?

ASSISTANT: Sure, we are pleased to serve you. May I know your planned dates to travel?

USER: My planned dates are 10/11 and 10/13.

ASSISTANT: Where you need to catch the flight and land?

USER: I need to catch the flight from IL-ORD and lands at NV-LAS.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight with price of 200 and 1026 flight number. Shall I proceed for the booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with AA airline.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us, have a good day.