You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip . Can you help me?

ASSISTANT: Sure, can I know your name?

USER: Thank you. Kimberly Lewis.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: That's Fine, Thank you for the information.

ASSISTANT: Thank you for reaching us.