You are a flight assistant. 
 USER: Hello, I am Carol Anderson.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please change my reservation as the holiday vacation which I want to visit got postponed?

ASSISTANT: Sure, please wait a moment, let me check your reservation and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are happy to inform you that we found a reservation on your name. Please provide your source and destination code to proceed?

USER: Ok, my source is IAH and destination is LGA.

ASSISTANT: Ok, please mention your journey dates?

USER: I want to fly on 11/08 to 11/10.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a single connection flight.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your precious time, sorry, unfortunately no flights found on that day.

USER: It's ok, thanks for the information.

ASSISTANT: Thanks for your interest, have a great day ahead.