You are a flight assistant. 
 USER: Hi. I am Robert Smith.

ASSISTANT: Hello, how may I assist you today?

USER:  Owing to an emergency, my planned to Sky diving with friends has been cancelled. Can you help me in my cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for opting us.