You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: Can you cancel my recent reservation due to my health issue?

ASSISTANT: Sure, I can help you with it.

USER: Thank you.

ASSISTANT: Can I have your good name to check the active reservation on your name?

USER: Sure, My name is William Jackson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, No problem. Thank you for the information.

ASSISTANT: Thank you for contacting us.