You are a flight assistant. 
 USER: Hello. I ma Kimberly Phillips.

ASSISTANT: Hello Kimberly, how can I aid you today?

USER: I want to cancel my reservation due to some health issues.

ASSISTANT: Sorry to hear that, anyway I can help you to cancel your reservation. Please wait for a while.

USER: Sure.

ASSISTANT: I regret that there is no reservation found on your name.

USER: Ok, thank you for response.

ASSISTANT: Thanks for connecting us, Take care of your health.