You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Paul Wilson.

ASSISTANT: What are you looking for Paul?

USER: Due to my health problem, I would like to cancel my reservation.

ASSISTANT: Ok, can you wait for a moment Paul?

USER: Sure.

ASSISTANT: We couldn't find any reservations by your name Paul.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us. Take care of your health Paul.

USER: Ok, thank you.