You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to cancel my recent reservation, due to sudden changes in climate I was fallen sick. Can you please help me in cancellation?

ASSISTANT: Sure, I am here to assist you in cancellation.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Barbara Anderson is here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found as per your name in our database.

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

ASSISTANT: Thank you for reaching us with a query.