You are a flight assistant. 
 USER: Hello,. I am John Thomas.

ASSISTANT: Hello, what can I do for you John Thomas?

USER: I would like to book a flight ticket from PA-PHL to CO-DEN for shopping with my granny after a long time. Can you please help me?

ASSISTANT: Sure, let me know your price limit.

USER: Price limit should be under 500.

ASSISTANT: Ok, help me with your journey dates.

USER: My journey dates are 04/03 and 04/05.

ASSISTANT: Ok, we are glad to inform you that we found a flight with 1004 number in Hawaiian airlines.

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your ticket has been confirmed with a fare of 100.

USER: Thank you for your information.

ASSISTANT: Thank you for approaching us.