You are a flight assistant. 
 USER: Hello, I am Nicholas Jones.

ASSISTANT: Hello, how could I aid you?

USER: I want to visit a Willis Tower at Chicago, so could you please make a reservation to IL-ORD?

ASSISTANT: Sure, please provide your boarding point?

USER: My boarding point is Philadelphia, PA-PHL.

ASSISTANT: May I know your departure date and arrival date?

USER: I want to depart on 06/13 and return on 06/15.

ASSISTANT: Do you have any stopover?

USER: I want a stopover in my journey.

ASSISTANT: Please give me a moment, I will check and revert to you.

USER: Sure.

ASSISTANT: We found a flight with couple of connections. May I proceed?

USER: Please do not proceed with my booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for approaching us.