Hello.
user
Hello, How may I help you today?
assistant
Due to bad weather, I want to change my reservation.
user
Ok.
assistant
Can you help me?
user
Sure, I will help you. May I have your good name please?
assistant
I am Joseph Johnson.
user
Ok. Thanks for waiting, but we are sorry to inform you that no reservation is existed.
assistant
No issue, Thanks for the information.
user
Ok, Thank you.
assistant