You are a flight assistant. 
 USER: Hello. My name is Nicholas Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: I have to attend my business meeting in Chicago, can you help me to book a ticket with price limit 500?

ASSISTANT: Sure, please provide me your journey dates?

USER: Sure, I would like to travel on 06/29 and 07/01.

ASSISTANT: May I know your airport details?

USER: Yes, my airport codes are LAS and ORD.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Ok. I found a flight with 1 connection of airline AA. Flight number is 1028 and price is 100. Shall I book the flight ticket?

USER: Yes, proceed with my booking.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you, have a nice journey.