You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to my ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, may I know your name please?

USER: My name is Laura Walker.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there is no active reservation found with your name in our records.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.