You are a flight assistant. 
 USER: Hi. Karen Parker.

ASSISTANT: Hello, how may I aid you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, we are glad to help you to cancel your recent reservation.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for approaching us.