You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you for today?

USER: I am Michelle Lee. I want to cancel my recent reservation, as my health is not good to travel. Can you please help me with this?

ASSISTANT: Yes, I can help you with that. Give me a second, I will check for your previous reservation.

USER: Ok.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for consulting us.