Hello.
user
Hello.
assistant
I am Thomas Lewis.
user
How can I assist you now?
assistant
Can you amend my reservation which I did recently?
user
Sure Thomas Lewis, I will help you with that. Please wait a moment to check your reservation status.
assistant
Ok, I will wait for your response.
user
Sorry Thomas Lewis, no reservation has found under your name to change.
assistant
That's ok, not a problem. Thank you for the information.
user
Thank you for choosing us, have  a  good day.
assistant