Hello, I am Cynthia Jones.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to heavy rainfall.
user
Sure, please wait a moment let me check and revert to you.
assistant
Ok, I will wait.
user
Unfortunately, there is no flight reservation with your given name.
assistant
No problem, thank you for your service.
user
Thank you for availing us.
assistant