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

ASSISTANT: Hello, how can I help you?

USER: I want to watch live wally ball event which will held at Chicago. Can you please book a ticket with one connection?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I would like to start on 12/09 and return on 12/11.

ASSISTANT: May I know your airport codes please?

USER: I want to depart from New York, NY - EWR and return from IL - ORD.

ASSISTANT: Do you have any price limit?

USER: Yes, it is 1000.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with UA airlines, flight number is 1007 with one connection and price is 200.

USER: You can proceed booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.