You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Elizabeth Green. I need to book a ticket from  ORD to EWR for attending the entrance exam in Pace University. Could you please help me in doing that?

ASSISTANT: Sure, we are happy to help you. May I know your journey dates?

USER: My travelling dates are 03/21 and return on 03/23.

ASSISTANT: OK, please give me a minute.

USER: Make sure that the price should be below 500 and with 1 connection.

ASSISTANT: We are happy to inform you that, there was 1003 flight of UA airline having one connection with price 400 was available on your dates. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket was confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us regarding the reservation.