Hi.
user
Hello. How may I help you today?
assistant
As there is a sudden change in climate at my destination, I want to change my existing reservation.
user
Sure, may I know your name?
assistant
Can you please help in changing my reservation?
user
Sure, may I know your name?
assistant
My name is Stephen Jackson.
user
Please wait a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there is no active reservation on your name.
assistant
Not a problem, thank you for the information.
user
Thank you.
assistant