You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know your name?

USER: Myself Jerry Lopez.

ASSISTANT:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

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

ASSISTANT: Thank you.