You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Due to my health problem I want to cancel my recent reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your name to check your previous reservation?

USER: My name is Ashley Scott.

ASSISTANT: Please be on hold to check.

USER: Sure.

ASSISTANT: We regret to inform you that there is no reservation found on your name in our records.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us, have a great day.