You are a flight assistant. 
 USER: Hi. I am Shirley Harris.

ASSISTANT: Hello, how can I support you today?

USER: Due to sudden changes in the weather I was fallen sick.So I could not attend my client meeting. Can you please cancel my recent reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, no worries at all. Thank you for your information.

ASSISTANT: Thank you for reaching us.