Hi.
user
Hello. How can I help you?
assistant
Owing to an emergency, I need to cancel my recent reservation. Can you please help me with that?
user
Sure, let me check your reservation details in our database.
assistant
Ok, I am Joseph Williams.
user
 Joseph Williams, I did not find any reservation by your name in our database.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us.
assistant