You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I render you today?

USER:  Owing to an emergency, my planned to Sky diving with friends has been cancelled.

ASSISTANT: Ok.

USER: Can you help me with that?

ASSISTANT: Sure, to check with your reservation I provide your name.

USER: I am Charles Martinez.

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

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.