You are a flight assistant. 
 USER: HI. I am Jonathan Baker.

ASSISTANT: Hello, how can I best support you now?

USER: Please book a flight ticket from Philadelphia, PA-PHL to Denver, CO-DEN.

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

USER: Sure, my travelling dates are 10/05 and 10/07.

ASSISTANT: Do you need any lay over in between journey?

USER: Yes, I need.

ASSISTANT: Thanks for your details, there is a flight found in UA airline of flight number 1022 and fare is 100. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for contacting us.