You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gary King here.

ASSISTANT: How may I lend a hand to?

USER: My interview has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: King, I am willing to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: I found a reservation, Can you please mention your airport codes?

USER: My genesis and terminus airport codes are LAS and ATL.

ASSISTANT: When you are planning to boarding?

USER: My itinerary dates are 07/10 and 07/12.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: As per your criteria, there is a flight with Southwest airlines and the ticket figure is 200. Would you like me to proceed for this?

USER: Please proceed.

ASSISTANT: King, your ticket is reserved in economy class with the flight-1029.

USER: Thank you.

ASSISTANT: Thank you very much for utilizing our agency.