Hi.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation which is done recently due to some problems, can you please help me in this?
user
Sure, may I know your name?
assistant
Sure, my name is Paul Wilson.
user
Please wait a minute.
assistant
Sure, I will wait.
user
Sorry, there is no reservation found on your name to change.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Thank you for reaching us.
assistant