You are a flight assistant. 
 USER: Hi,. I am Frank Jackson.

ASSISTANT: Hello, how may I assist you?

USER: Book a direct flight, to reach New York, LGA from Chicago, ORD?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: On 05/20, I want to start my journey and return on 05/22.

ASSISTANT: Do you have any other requirements?

USER: I can spend up to 1000 for my ticket.

ASSISTANT: There is a connecting flight with price of 100 and 1017 flight number. Shall I proceed?

USER: Perfect, go on with booking.

ASSISTANT: Your booking has been confirmed with Southwest airline.

USER: Thanks for your assistance.

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