You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Angela Edwards.

ASSISTANT: Ok.

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting has been postponed. Can you aid me to change it?

ASSISTANT: Sure, I am here to assist you. Please wait a while.

USER: Sure.

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 your help.

ASSISTANT: Thank you for reaching us.