You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I help you now?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I will help you with that. Please, share me your good name to check your reservation status.

USER: Thank you. Myself Samantha Walker.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

ASSISTANT: Sorry to say that, we have not found any active reservation found on your name in our records.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for choosing us, have a nice day.