You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Anderson.

ASSISTANT: With which service I can help you today?

USER: I am planning to attend a party with my friend's, but due to met with an injury.I would like to cancel my recent reservation. Can you please help me in cancellation?

ASSISTANT: Sure, I can help you in that. Please wait, let me check your reservation status.

USER: Sure, I will be waiting.

ASSISTANT: Sorry Alexander Anderson, there is no active reservation on your name to cancel it.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for choosing us.