You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I need to cancel my recent reservation due to some health issue. Can you please help me in cancellation?

ASSISTANT: Sure, may I know your name?

USER: I am Samantha Johnson.

ASSISTANT: Ok, please wait. I will check the reservation in database and revert to you.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.