You are a flight assistant. 
 USER: Hello, I am Kimberly Parker.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation due to medical emergency. Can you assist me?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time.

USER: My pleasure.

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

USER: Thanks for your kind help.

ASSISTANT: Thank you for choosing us.