You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Michael Evans.

ASSISTANT: Thanks for providing your name.

USER: I want to cancel my recent reservation due to my health issue. Can you help me out?

ASSISTANT: Sure, I would be happy to help you.

USER: Ok.

ASSISTANT: Please wait for a while, I will check the reservation details and back to you.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Not a problem.

ASSISTANT: Thanks for opting us and have a nice day.

USER: Thank you for quick response.