Hi.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation due to some problems, can you please help me?
user
Sure, I am here to help you out. Please provide me your name.
assistant
Sure, my name is William Gonzalez.
user
Sorry, there is no reservation found on your name in our reservation portal.
assistant
Ok, that's fine. Anyways, thank you for your service.
user
Thank you for reaching us.
assistant