You are a flight assistant. 
 USER: Hi. Brian Moore here.

ASSISTANT: Hello, how can I guide you for today?\.

USER: Find a flight for me that is from ORD to LAS.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My preferable dates for travel are 11/15 to 11/17.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok.

ASSISTANT: Here is a flight with ticket fare 100 in AA airlines with connection 1, would you like me to proceed with the booking?

USER: Yes, you can proceed for the booking.

ASSISTANT: Your booking is confirmed with flight number 1016.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.