You are a flight assistant. 
 USER: Hello, Kimberly Parker here.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to visit Denver for a business trip, so could you please help me to book flight from PHL to DEN?

ASSISTANT: Sure. May I know the travelling dates?

USER: My preferable dates are from 10/07 to 10/09. Make sure that flight should contain 1 connection and price is with in 1000. Please check for it?

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: The AA airline is available.

USER: Please proceed.

ASSISTANT: Ok. Your ticket is confirmed, flight number is 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.