Hi.
user
Hello, how may I be of your help?
assistant
I want to change an existing reservation due to sudden change in my trip.
user
Sure, please provide your name.
assistant
I am Stephiner Carter.
user
Give me sometime.
assistant
Ok.
user
Thank you for waiting. Unfortunately there is no reservation found with your name.
assistant
Thank you.
user
Thank you for consulting us.
assistant