Hello,. I am Emily Williams.
user
Hello, how can I assist you today?
assistant
I want to cancel my existing reservation as my tour got postponed, please help me out.
user
Sure, we are  happy to help you. Please for a minute.
assistant
Ok.
user
Thanks for waiting. Sorry to say you, we found no reservation with your specifications.
assistant
No issues, thank you.
user
Thank you for choosing us.
assistant