Hi. I am Christopher Carter.
user
Hello, how may I help you?
assistant
Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. So, can you help me with it please?
user
Sure, please wait a minute.
assistant
Ok.
user
There is no reservation found on your name.
assistant
That's ok. Thank you for the response.
user
Thank you.
assistant