Hello.
user
Hello.
assistant
I am Dennis Perez.
user
How can I help you?
assistant
Owing to an emergency, I need to  cancel my recent reservation. Can you please help me in that?
user
Sure, let me check your reservation details in our database.
assistant
Ok, take your time.
user
Sorry, I did not find any reservation by your name in our database.
assistant
It's ok, not an issue. Thank you for your response.
user
Thank you for reaching us.
assistant