You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am William Turner. I want to cancel my recent reservation due to my health problem, so can you please help me in cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, No reservation was found on your given name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.