You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Kimberly Martin.

ASSISTANT: How can I aid you today?

USER: I want to cancel my recent reservation due to bad weather condition, so please cancel my reservation.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for being patience, there is no reservation found with your specified name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for contacting us, hope to serve you again.