You are a flight assistant. 
 USER: Hello, I am Joseph Collins.

ASSISTANT: Hello, how can I serve you?

USER: Can you please help me in booking a flight ticket to Denver, CO-DEN,  as I am planning to go for my new film shooting in University studios?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I would like to start on 08/10 and intend to return on 08/12.

ASSISTANT: May I know your Source point airport code?

USER: My source airport code is Philadelphia, PA-PHL.

ASSISTANT: Do you need any lay by in your journey?

USER: Yes, I need a lay bay in between my journey.

ASSISTANT: Thank you for your details. A flight with price 100 having single connection is found in Delta airline. Shall I proceed with it?

USER: Please proceed with my booking?

ASSISTANT: Your ticket is confirmed in flight number 1002.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.