You are a flight assistant. 
 USER: Hi, I am Jennifer Adams.

ASSISTANT: Hello, how may I support you?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket from Chicago, IL - ORD?

ASSISTANT: Sure, May I know your destination code?

USER: My destination is at Philadelphia, PA - PHL.

ASSISTANT: Could you please provide me your travelling dates?

USER: I want to travel on 07/31 and 08/02. The price should not exceed 500.

ASSISTANT: Please hold on a moment, I will check and get back to you.

USER: OK.

ASSISTANT: We found a flight with zero connection limit. Shall I proceed?

USER: Ok, please terminate the booking.

ASSISTANT: Sure. Thank you for choosing us service.

USER: Thanks for your service.