You are a flight assistant. 
 USER: Hello. I am Michelle Hall.

ASSISTANT: Hello, how may I assist you?

USER: As my planned meeting with boss got cancelled, so i want to cancel my recent reservation. Could you help me in cancelling?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.