You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ronald Brown here.

ASSISTANT: How can I assist you for the day?

USER: My client meeting got postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Ok, I will check your previous reservation status.

USER: Sure.

ASSISTANT: Please hold for a moment.

USER: Take your time.

ASSISTANT: I have found your previous reservation with your name. Can you please share your new travelling dates?

USER: My itinerary dates are 04/02 and 04/04.

ASSISTANT: May I know your new preferable airport codes for booking?

USER: My genesis and terminus airport codes are PHL and DTW.

ASSISTANT: Ok, I have found a flight in Southwest airline with connection 1 and the ticket price is 100. Shall I proceed with this booking?

USER: Please proceed.

ASSISTANT: Ronald Brown, your booking is confirmed with 1008 flight. Thank you for approaching us, have a safe journey.

USER: Thank you for your service.