You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Millennium Park with my friend at Chicago, please help me in booking a ticket from PHL to ORD.

ASSISTANT: Sure, could you please share me with your dates of travel?

USER: My planned travel dates are 06/05 and 06/07.

ASSISTANT: May I know your name please for further process?

USER: My name is Kathleen Mitchell.

ASSISTANT: Kathleen, there is a flight which is direct for you to travel of fare 200 and the airline is UA, are you ok with this booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your booking is done with the flight number 1000.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe flight.