You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen Campbell.

ASSISTANT: How can I help you out?

USER: I want to see the tallest building Skydeck Chicago, can you please avail me a flight ticket?

ASSISTANT: Sure. May I have your travelling dates?

USER: My travelling dates are from 06/25 to 06/27.

ASSISTANT: Ok. What your airport codes?

USER: My airport codes are from Philadelphia, PA-PHL to Chicago, IL-ORD.

ASSISTANT: Ok. We found a UA airline, 1008 flight with a connecting flight. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your reservation is done with a fare of 100.

USER: Thank you.

ASSISTANT: Thank you.