Hello, I am Patricia Walker.
user
Hello, How may I serve you?
assistant
Owing a emergence, I want to change my existing reservation.Can you help me with it?
user
Sure. Wait a minute.
assistant
Ok.
user
Thanks for waiting. There is no reservation found with your name.
assistant
Ok, no issues.
user
Ok, Thank you have a nice day.
assistant
Thanks for the service.
user