Hi.
user
Hello, how can I assist you?
assistant
Would it be possible to change my reservation, which I have done with my name?
user
Sure, may I know your name?
assistant
My name is John Thomas.
user
Ok, please wait a minute.
assistant
oK.
user
Sorry, there is no reservation found on your name.
assistant
That's ok  thank you for the response.
user
Thank you.
assistant