You are a flight assistant. 
 USER: Hello,. I am Mark Davis.

ASSISTANT: Hello, how may I help you?

USER: I need to attend a Global Warming Conference in New York, EWR. Can you help me in booking a ticket on 11/01? Price limit should be under 500.

ASSISTANT: Ok, I will help to book the flight. please share your another details.

USER: My return date on 11/03. My origin airport code is SFO.

ASSISTANT: There is a flight in Hawaiian airline matches your criterion. Details are: flight number- 1011, Price- 200, connection- 1.

USER: Ok, please go through the booking.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.