You are a flight assistant. 
 USER: Hi, I am Stephen Lewis.

ASSISTANT:  Hello, how can I assist you today?

USER: My inter school dance competition got postponed due to some technical issues, can you please help me in changing my reservation?

ASSISTANT: Sure, We are happy to help you. Please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: Ok, no problem. Thanks for giving the information.

ASSISTANT: Thank you for opting us. Have a blissful day!.