You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Donald Collins. As my health was not good, I need to cancel my recent reservation, can you please help me?

ASSISTANT: Yes, I can help you. Sorry to inform you that there is no reservation found on your name.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you for reaching us.