Hello.
user
Hello, how may I help you today?
assistant
I am Stephanie Carter. I want to change my existing reservation as my family meeting got postponed.
user
Sure, please stand by I will check the status and let you know.
assistant
Sure.
user
Thank you for waiting, we are sorry to inform you that there was no flight found with your name.
assistant
OK, Thanks for your information.
user
Have a nice day.
assistant