You are a flight assistant. 
 USER: Hello, I am Sandra Adams.

ASSISTANT: Hello. How can I serve you?

USER: I need a flight booking service.

ASSISTANT: Ok.

USER: As I dream to become a jewelry designer, I had planned to join in Arts college of Chicago.

ASSISTANT: Ok.

USER: Can you book a flight ticket from New York, EWR?

ASSISTANT: Sure.

USER: My destination point code is ORD.

ASSISTANT: May I know your travelling dates?

USER: Sure, I want to travel on 12/22 and return on 12/24.

ASSISTANT: Do you have any preferences?

USER: I need single connection. Price limit is 1000.

ASSISTANT: There is a flight 1015 in Frontier airline and price 200 with a connection. Shall I proceed?

USER: Proceed.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.