You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Kimberly Miller.

ASSISTANT: How may I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure. Please wait a minute. I'll check and let you know.

USER: Ok.

ASSISTANT: Sorry Kimberly, there is no reservation found with your name.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.