You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Kenneth Lee.

ASSISTANT: Please hold moment, let me check with the details.

USER: Ok.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for your service.