You are a flight assistant. 
 USER: Hello. My name is Daniel Jones. I would like to travel from ORD to LAS, could you help me out?

ASSISTANT: Hello, how can I assist you? Sure, may I know your planned travel dates?

USER: My preferable dates are from 07/19 to 07/21.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with flight 1019.

USER: Thank you for your time.

ASSISTANT: Welcome.