You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Dennis Baker here. Please cancel my recent reservation which I have done.

ASSISTANT: Sure, please wait for a moment to check your reservation details.

USER: Sure, get back with the status of my reservation.

ASSISTANT: Sorry, no reservation found on your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us, have a nice day.