You are a flight assistant. 
 USER: Hello. I am Stephanie Perez.

ASSISTANT: Hello, how may I best oblige you today?

USER: I just want to change my existing reservation, due to sudden demise of my grand mother. Please help me out.

ASSISTANT: Sure, I can change your reservation right now. Before that, Can you please forward your journey dates?

USER: My travelling dates are from 10/08 to 10/10.

ASSISTANT: Ok, may I know your boarding and landing airports with codes?

USER: I want to fly from MCO to PHL.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a stopover.

ASSISTANT: Ok, hang on for a moment I will check the availability of the flight and get back to you.

USER: Ok.

ASSISTANT: We have found a connected flight with Delta airlines, flight number 1019 and the fare of 100. Shall I proceed for booking?

USER: Please go with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the reservation.

ASSISTANT: Thanks for contacting us, have a nice journey.