Hello.
user
Hello, how may I render you?
assistant
I am Christine Turner. I want to cancel my recent  reservation due to office work that my manager did not approved my leaves. Can you please cancel it?
user
Sure, let me check the status and revert you.
assistant
Thank you.
user
We could not find any reservation by the name you mentioned above.
assistant
Fine, thank you for your kind information.
user
Thank you for reaching us.
assistant