Hello.
user
Hello, how may I serve you today?
assistant
I am William Thomas. I would like to change my existing reservation, due to heavy rains. Can you please help me?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait a minute.
assistant
Sure, I will wait for your response.
user
We are regret to inform you that there is no active reservation on your name to change.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant