You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I amend you?

USER: I am Katherine Miller. Owing to an emergency, my planned to Sky diving with friends has been cancelled. Can you help me out?

ASSISTANT: Sure, I can help you. Please wait for a moment. I will check the reservation list and let you know.

USER: Sure, take your time.

ASSISTANT: Thanks for your valuable time.

USER: Ok.

ASSISTANT: We found a reservation on your name in airline data.

USER: Please, cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.