You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you today?

USER: I want to cancel my recent reservation due to an health issue, can you please help me?

ASSISTANT: Sure, I am perky to help you in cancelling your reservation. Please, share me your name to check your reservation status.

USER: Sure, my name is Mary Jackson here.

ASSISTANT: Ok, please wait for a moment. I will check your reservation status and get back to you.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you that, we have not found any active reservation on your name in our records.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for choosing us.