You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Carter.

ASSISTANT: Carter, how can I aid you today?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please cancel my cancel my ticket?

ASSISTANT: Sure, I am gleeful to help you. Please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry Carter, I did not find any reservation under your name.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for choosing us.